A surgical breakdown of pointer logic that turns a complex data structure into a repeatable exam routine. It’s the perfect blend of technical precision and pragmatic "exam-hacking" for the modern CS student.
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9618 May June 2025 P41 | Yearly Past PaperAdded:
Okay, brother, we're going to start.
May June 2025 Paper 49618 This is a very interesting exam paper.
If there is a paper, let us look at it.
Let's try to understand him Usually an ADT question comes and Here the examiner had a chance, he gave two Questions are given out of ADT Three gentlemen. So just stay focused with me.
And we're gonna try our best To solve this and we're not going to be learning Any new concept but it's just that We have the knowledge and guidance that Tips and Tricks to Solve Password All that should be done here while doing it If discussed, great kindness will be the focus Keep up with me then let's get started The First Thing That You Guys Should Do Is Open Visual Studio Code Oh my god it's a Very Challenging Part Let Me Show You How You Are you suppose to do that, look sir, this is aa aa Gone is your Visual Studio Code. after this file you are supposed to open the folder that you Are you going to work with an open folder?
Desktop. Which one are we going to solve?
Are you brother? May June 202 4.968 That's the paper that we're going to solve.
May Allah not let you have these agents.
yes. If it happens, it will be fun. But let's Just close this for now. Ok. looking at this Don't start working in the open editor.
Please give it. Let's disclose this part. These The folder is yours. This one. This is your Folder. This is your kindness. If You guys did not solve the yearly passwords If you have done it, then of course you will get Confused with this. Ok? Let's start. The The first thing that you should do is open your Question as well. You have desktop The folder will be present. Let's just open this.
What do we see inside it?
Are you waiting for us? Show an evidence document Used to be. I'm Gonna Be the Evidence Document with you guys as well. today's We also discuss evidence documents in class.
We will do a little work in the first paper. Its The latter paper which is four to two came in it.
I'm not gonna be doing my evidence.
Evidence because it would have taken time today.
Is. But it is the first paper so we are going to focus on this evidence document a well so that you People should start getting clarity on things.
OK OK OK let's open this evidence Evidence. Well now by the way its Inside you guys have to see your header Is. Changes need to be made to the header. Look at this Take it. Let's double click on it. by the Many children do not know that. I I'm so sorry I'm going into so much detail.
Am. The only reason for this is that many The children don't know. So I am just Telling you this again and again. No worries. On this Double click and write your name here.
Write your centre number. Candidate Number Write. And then just close the head. Your The header is ready. Of course you are Suppose to save this file. Go to the file. save do it. Save as. Save it in the same folder do it. And after that's what you guys are suppose to be To do. Keep it open with you. Let's Open your your your your what should be open your Question Paper Which I Can Not See Over Here Let Me Just Quickly Download I Here is the test, we have the question paper.
I will bring both the marking schemes.
here what's the matter sir what's the matter sir he has come Your question paper and marking scheme Sir OK OK I think we can start now Good to Go ok let's open the question paper now Now what do you guys have to do, let me teach.
You pick up your question paper and ask your questions Drag the paper to the right side and try to open your Visual Studio Code Now we have done all the work in I have to pay in the manner as per your If you can see it in front, guys now around to Hours 30 minutes to solve this. a little of this We make it smaller. So we're good to go Go. Ok. So now we have opened the folder.
Took. All the work has been done. what you guys are Suppose to do? You guys are supposed to save your File as question one underscore J25. So this Let's finish our work quickly at this table.
Let's go to the file containing. We are supposed to Go create a new file in this. and let's Just do that. Question Under J5 Sir, please do drink it so that Your editor should know that brother, we are Python deal with files yes with Not together, but hand in hand, you are with me What happens to the question?
underscore j2 hat Make a question to key as well and Simultaneously, the question question three key made Take it. Question three unders j 24 So these are our three files ready.
Let's try to read the data that we have some We have data in a file. The data.txt Let's try to just confirm that Yes, there is data, everything is working fine. Ok fine Equal to open file verification is very It is necessary. Which file is it? Yes May Allah's name be correct brother. Allah respects Keep it mine. Please Rid and then file dot Re Hopefully It Works Everything Please Me Brother.
OK Alhamdulillah the data is working Our file is being read correctly. Good If it ever opens like this, just close it.
Dec. These are the problems you are seeing There is too much in life. its leaking because of Let's Just Close This and Everything Is Working Properly. All our folders are correct.
Are. Question one dot underscore j.25 Question 2: All three files have been created.
Our files are being read correctly. that Means we are good to go. This is the start Point. The one who cannot even Please act like you're unconscious.
Sit down holding your heart for a while and then He told the examiner that he was unable to breathe.
If it is not coming then please be kind, Will Try You Know to Give You Some Exception Kind Of things, you know your faith.
I know your work, I know ok Bismillah Rahman Rahim had [ __ ] the examiner here.
How many files did he give instead of taking the file is 1 2 3 4 5 6 one second 1 2 3 4 5 6 7 Seven text files are given. of Allah Guys. May Allah save you all. Our Keep it in Hifzman. Bismillah Rahman Rahim. We are going to start. you have been Supplied with leaked paper. With the following source All these files that have been given to you people that you guys are supposed to solve And do your paper in. Open the Evidence Document. Everyone knows the meaning of evidence.
It will happen. now then [nasal sound] Make sure that your name, center number and Candidate number will appear on every page of This document. This document must Contain your answers to each question. Good Brother, it's okay. Let's Start With Question number one. That's right sir. Now you people What are you saying in question number one?
Is? Let's see quickly. Everyone's focus I need it. Please be kind. Ok oh gone ok.
A program finds positive integers in a Circular q. Questions related to circular q Is. And what happens in circular q? Is.
You guys are already aware of it that our There is an ad tail pointer. a head pointer Is. The head pointer is your first Points to the element. Tail Pointer Whatever you have is yours from where you have come For that the values have to be added It is used. Correct? Now the one who Also get it initialized in the manner that we need It doesn't matter about that thing. We just Know how to deal with questions. Us It has to be understood and read. It's All About Imagination. Just a Quick Guidance Regarding your ADT questions. Good This video is going to be lengthy. Correct?
The reason for that is because I am a little na I will also explain things to you guys.
about so that the next paper of course We compress it a little bit Focus on quick sessions only Will keep it. This Paper Is All About Your Guidance and how to think and how to solve Papers and all that stuff. Correct? Ok.
Bismillah Rahman Rahim. then you are not Suppose I get upset about the question Whatever code you have memorized If it is, then ask him to write the same code.
If it is given then that's very easy but that Not Going to Happen All the Time right? So You should adopt the knowledge of the question Keep that in your mind and think about it again Do the papers. So in the ADT question The biggest tip I'm applying myself I am. An imagination runs through my mind It has been happening. He is making a box.
It then contains a pointer. one of them The arrow is pulling. And then the other I don't know about the note, the whole Ishaan Masti became We would have been like this. Do you understand? So that's it You people also have to do the same. So just Keep on doing that. Keep on imagining stuff.
You will be able to solve this question. These Anyone can give any binary question, give it to me, give it to me in a roundabout way, with recursion Give it, do anything, you should be able to Imagine Things. When you can imagine [nasal sound] make him You will be able to create logic, you will be able to write code.
That's right sir. Now I am telling you people that Program returns a positive integer in a Circular q The q is stored as a global one D array of 20 integers with the identifier Q. His name is Q. Then each index is Initialize with the data negative one. All values inside it negative one and negative It is stored one by one. The Global Variable head pointer. a global variable It has to be created in the name of head pointer. to whom We have to initialize it with negative one. It Points to the first element in the Q. Here So far, we don't find anything difficult.
Is. Is it right sir? After this, if we proceed further Let's move forward with these things. The Global variable tail pointer initialized to negative Forest. Oh my God! We have tail pointer had its initialized to zero Inside the classes. So what happens here now?
Are you gone brother? The tail pointer is pointing to negative one.
to initialize. So what difference does it make Is it brother? This thing doesn't matter.
Points to the last element in the Q. These He changed things a little bit. We people What did you read before? The first question These people had given it. That Was It points to the next empty space in the Why. What are you saying now? It points to The Last Element in the Queue. So you don't Supposed to worry about it. Don't worry.
Don't panic. Correct? Now you guys You don't get scared of anything. So please Please don't be afraid of all these things.
You people. So the global variable number Items is initialized to zero. That's the Same concept, same as what we have read.
You have to use the number items.
How many queues have values inside them Are. Store the number of items in the queue.
It became perfect and easy. saying part D Write program code to declare inside end initialize Q. They are also asking to initialize Q To. to the head pointer, to the tail pointer, to the end Number items. All of these things Which you people have to make. you people These have to be solved and understood. Correct Yes sir? So that is part A. Let's Just Get Started. Bismillah Rahman Rahim. Let's Start with the first code.
Hey brother, what have you written?
Ok. Let's start with Cube.
Good sir. The first thing that we People have to understand. That is what they did Where have you told people? The q is stored as a Global One D Array. Creating a One Dimensional Array You have and in that you people have 20 Integers. Now there are 20 values that you have entered.
Have to store it. So it's very easy negative Forest Negative one. And get it multiplied.
Who should I get it multiplied by? From 20. So that This is how you are supposed to declare. that is How you are supposed to initialize your l. But First of all we have to make an off course declaration Is. Look at the marking scheme, go get oil.
Do you understand? Understand this very carefully All my things. Go to the marking scheme Taking oil literally. What is the reason for that?
I don't know what kind of drugs your examiner is He makes it by doing it. so please don't Worry about it. just follow the rules which are Being tot right now to you guys. That is to Do things properly. so that the examiner Wherever you feel pain, it doesn't matter.
Fell. You have the cure for all his pain.
Please Keep. Correct? So please do it Properly. By making everything clear do it. Just do it as I am saying.
Decla queue ue ue colon array We have to tell the elements in this. 0 19 20 elements become of integer. Sir You are done with this. Well, they are looking at Look carefully. This bar is a little bit Its thickness has increased. Right? So this It is basically the insert button which you people It is present in the keyboard, due to which it happens Is. Then that makes the backspace a little worse.
Is. So those things don't work as expected.
Would have been. So you people get worried.
So Just Press It Once More and Then It's Gone. Ok? So you have created the queue. Its Later we have to declare more things.
That is your head pointer, your tail pointer, Your number items. So the first part is There is not a strong declaration in it.
Have to do it. Meaning it has to be done properly. like me I am showing it to you. See comma tail p capital G's capital comma number Number on Choose home Integer is correct, this is the declaration.
After this you are supposed to go global Sir, why are you doing this, which doesn't make any difference?
Because this is the cure for the examiner's pain.
Head Point This is literally [ __ ].
There is no benefit in this. But what to do?
We have to do it. Ok. We are done with Dec. Why did you guys make it global?
Global head pointer done. Global Tel I have made the pointer. Now we have to give these Sir, initialization also has to be done. Ok. Let's Look into that.
MMM My friend has moved away a lot, I mean We have to take control Ed Pointer Is Go Okay, so why did we make a tale?
We made a pointer, we made a head pointer.
You guys made it and then you need number of items ok make this quickly Okay, fine sir, this is the basics.
Declaration of all of you people what have you people done in it Made a head pointer Made a tail pointer Given a number of items, you created q I tried multiplying it, let's just Verify the q as well see verification too If it is necessary then make sure that you guys are doing that so let's just try to print q Hopefully negative one should be late In oh ho perfect so let's just close the terminal kill it perfect right g this is Part A Now what do you guys have to do with it?
You guys have to copy while submitting evidence is expert. So nothing new you guys You have to go to your evidence document.
O Allah, keep me in Hifjama. I need to show You one let me try to find that.
Ok.
You guys have seen a lot of these things.
Is. Correct? So many times you people have It gets pasted. So I'm just gonna be Teaching You Like This Is Not Acceptable.
It's not a joke, right? So this is not Acceptable. You don't have to do this.
You are supposed to provide evidence Properly. Now how will that evidence be Do you provide it? These are the three options near you. Understanding the Fest option? So this You have options. Which of these you Do the one that is text only. After that What do you guys have to do? you are supposed To remove the italic part of it. This came How do you guys see it?
[nasal sound] Ok. So this is the italic part. you people He removed it. So that's it. These Your complete answer is ready.
Zoom in on this a little bit. So that The examiner saw things. It is not visible For him.
[nasal sound] So this is how you have to take things.
The people. Let's start. Let's Move On With the questions. This is your part A.
Ready. Correct? Keep serving immediately.
Ok.
Let's go sir. We're done with Part A. Let's Move On to Part B. Now I am telling you guys The function in q in q takes an integer as Parameter Check If The q Is Null Returns False if the q is full stores the parameter In the next position. well what are you saying Is? Let's read with focus. Function to create an inqueue that will return an integer from you Will take a number as a parameter. will check if Q Is it full or not? Correct? That's the First thing that is going to be checked by Using what? Looking at the number items.
After that returns fall. False Return Tax Will give. If the Q is full. If Number Items Is Greater than 20. If the value is more than 20 Let it happen, then I suppose to say that your Q is Full. I mean if 20 because off course 20 The elements have arrived. greater than equal It has become 20. That's it. Your item is Full. The queue is full. Stores The Parameter Inn The Next Position in the Queue and Returns True if the queue is not full. And if full No, you have stored the element, Then you are supposed to say true. gave updates Appropriate pointers and number items.
Correct? You guys have pointers and numbers Items to be updated. Now very carefully Listen to this and understand it with me.
Try it. that is Whenever we talk about Q, only two values are considered.
Keep imagining it. Add two values to your Keep it in mind. first element and last Element. According to both of these, you have said I am I am giving you one of the biggest Tips for P4. So please bless all this These are the things I experience with you guys.
I am sharing it with you. So please be kind Listen with full focus. Correct? Faffri apni The place will continue to operate. I will try my best that we can take as much as the examiner can Let us keep doing it. But also stay focused With me. So the thing is that is A The Things That You Should Focus On Is the First Element and The Last Element. These two things on which you people have focused completely Have to keep that brother, pointers on the first element What should the values be? and last What should be the values of the element pointer?
Needed? These two things that these two Elements should be your focus points. Correct Is? That brother, what is the first element?
How do we get the values of pointers in it?
Do I have to adjust to it? that brother tail pointer which Yes, it should become zero. Head Pointer Joe Yes, it should become one. Number items It should be plus one. These Are the Things That You That Should Be in Your Mind. And the Q The last element inside is the thing in it Changes are taking place. how to change Are they happening? He turned around and initial He is coming into position. Coming to zero It happens. So that is what in Q is all about. So now I have to imagine. Good means tail pointer is at last two elements Stay focused. If the tail pointer is 18 then that Means I can still store values. My There is an element and a place nearby. So that means Currently the tail pointer is at 18. Now As soon as the tail pointer reaches 19, I have to store things. So if the tail My pointer should come to 19 and now I will again I'll ask you. I reached 19. Tail Pointer Mine is at 19 points. Let's say I Trying to enqueue one more time Am. then the tail pointer should move towards Initial position. So that means what? If My tail pointer is 19 so I need to set it to zero.
I have to take it to the bank. So it's all about Imagining Last Two Values. Now I am in it Did not show complete diagrams It's up to you guys. Now I'm playing the whole game I am playing it in my mind. to Ishaan Awasthi Keep this in mind. Created complete patterns.
Bring the planets. Do what you have to do Take. But please focus. with me You won't imagine that you will get trapped Inside the questions. Look how I I am doing it. An ad box in my mind Has come. Correct? There are leaked papers in it.
Meaning you have a box in which we have are pointed values. element store in it Will be. Now that's the element 18. Index Position 18. Your one at index position 18 The value is stored. You have one more time Why did you do this? The tail pointer reached 19.
The tail pointer is currently pointing at 19.
And the value is stored on it. Now When you store it once again after turning from 19 He should go to zero. then to zero Should be stored. So, this is all I can do with an Arrow I am imagining it. I will then set it to zero.
I am imagining it coming. This is very Very Very Very Very Morant than the leaks. So, please be kind Focusing completely on imagination I need yours. ok sir let's Start with the code now def in q u u e in q u in in QUE U E Ok So def inqueue now the value inside inqueue That We Need Is the Data, of Course Let's Just Call it input data Okay, we need to take some things global.
It happens because they are outside the Function and their global head point Global Tel Point hey my brother Global Global Number Items Okay, all this is done, all these things which we will need right now first of all You have to create a condition that is regarding Your if you have Q full or not If conditions are created accordingly, then it will be very It is simple if you keep adding numbers Items with a value greater than equal to 20 That means 20 in a way if 20 has already happened then you're just supposed to return falls and If any great man had said here, Turram Khan I tried to be and wrote it down as true.
This code is going to be wrong if you The following code is written in full.
This code is going to be wrong why your The code will stop only after returning true.
Code is useless like your car examiners Taking exams. Do you understand? So this There is no need to go to work. If this thing is If it is done then he has returned it. Function Has come out of. The Code Which Is AfterReturnsTrueWontExecute. So this It shouldn't be a thing. Ok. focus focus focus Focus. Ok. We have made the first condition. If Number of items greater than equal to 20 Meaning if it has reached 20 then that is false.
Meaning Q is full. Now you have your basic C Conditions have to be checked. adjust pointers and adjusting the pointers Later you have to get your value stored. What We can store negative one pay value.
Are? The answer is no. Where do we value Do I need to store it? Of course the tail pointer key The value is currently negative one. So I am Ganna be pointing it to zero first and then I'll go there and store it. how is he now Will I do it? It is very simple brother. If My Tale Pointer = negative one. If my tail pointer is equal to negative one so I need to get my tail The pointer has to be zeroed. your head The pointer has to be zeroed. means he too It has been pointed towards the first element.
Have to go to your q. tail pointer wherever It is pointing there, enter your data Have to give. that is for the That is for the first value. All I I'm imagining myself and anything else.
No. Right now I just added the first element has taken care that if my first element It is coming because look always first Element is the is different. Why? Because In that you also have to adjust the head pointer.
Does matter. So here because the tail pointer It was negative one, so I had to adjust to that too.
Have to do it. Ok? And After That What you guys are supposed to do? If the tail The pointer is not negative one, that means one exists somewhere in the middle, then according to You have to consider the first things and that what is concurrency whether our tail pointer Not everything is on the last element Look how I'm imagining it.
I'm imagining that my tail pointer It is at 19. So I have to set the conditions accordingly.
Have to make it. If my tail is a pointer is greater than equal to 19 you equal to 19 You can also say it. But we are greater than Let's say equal to 19. to Thel Pointer Make it zero. Meaning rotate initial first Bring it to Elementor. that is circular The concept of Q. And if it is not there sir.
Correct? It's All About Setting the Pointers First. So the whole game is about pointers. So Don't memorize the code. try to Understand the concept. If the tail pointer is 19 If it is not equal to then it will be somewhere in between.
So in that scenario you are just suppose to say Tail pointer equals to tail pointer + 1 when this +1 your tail pointer with this Else Get out of the situation, go to your queue where The tail pointer is also pointing at the input enter data What happened brother, all this has become genius.
After that, come out of the if condition Get the number of items inside t+1 And Just Return True Wala we are done with this question It's All About Imagination The whole play with imagination let me try to draw it with my mouse ok i Don't Know If It's Going to Work Oh my gods, oh my gods, I do have grass Tablet But It's Not Fun So This is 19 Wow Oh my God and this is zero. Ok? Now it is Enough Understand this thing carefully. At the moment we have There are two cases. Either add it to the starting It might be happening or it might be getting added somewhere in between.
Or it may be getting added on the last element. So We have to consider everything. Right? Now!
For now, let's just consider my tale.
The pointer is here somewhere towards negative one.
He is pointing. Why some complete Is it empty, right? So first tell me your story The pointer has to be brought forward. brought here The head pointer also needs to be brought to zero here and Here again we store our value Have to get it done. Let's say five. Is it okay?
So this is the first case. Let's now our The tail pointer was present above the 18. Here There is a value stored on it. from lats Nine. Is it okay? So of course you what needs to be done? Check first. what now Of course it is not a case of initials. Now The case is in the middle. So when the middle case comes We have that is going to be if 18 But it is. Check is there another place?
Absolutely. So what do we have to do now?
Is it 19 already? It did not happen. what is it to you have to do it? Plus one and come to 19.
Lets had to store 10 values. Here Store the value 10. thats It. Now what will happen after that? Let's take us Another value has to be stored. what a tale Is the pointer 19 done? It's completely done Is. Initial position by moving the tail pointer But come on. This is the whole concept of Q. This is just a game of Q and nothing else.
Is. Let's just remove the beautiful Diagrams.
[nasal sound] OK again.
So that's it. You are done with the InQ code.
And let's just move on with life. The Same Way That you guys are already doing.
The Main Program Attempts to Store Each Of the integers one to 25 inclusive Inclusive means included is correct.
Attempts to store each of the integers one Two 25 inclusive in the queue in ascending Numerical Order Using in Queue Means One then two then three then four then five Six then 7 then 8 then no then 10 then 11 Then doing 12 from one to 25 Attempting to store elements Why do you guys have to do these after That outputs the integers that were passed in.
Two in Q which values you will keep passing You have to keep outputting it simultaneously.
Correct? And Successful If It Was Hard In the Q. If it was right, you would be with him.
Write successful with element. And Unsuccessful if it wasn't stared in the Q.
I am telling you an example. If the integer The file is passed to in Q and is stopped.
Well, by the way, let me know in the chat please.
Are you guys able to see the question and should I Zoom In No done done done done done We what happened son what happened what are you Yes, yes, yes It's okay if there's a mistake, oh yes, My God brother, look like the British Council If he can make mistakes, then so can we.
Yes brother, we are just small.
I have to apply equals to also, what happened?
So it was a small mistake, you have crossed all limits and made such a big mistake.
Let's leave the mistake aside, what happened to it?
Brother, oh brother, you see mistakes, that means you Good sir Same to Same Aishwarya Okay, so focus here number items is Equal to number of items plus one it is not plus plus it's equal to okay okay a little We get a little emotional here and there Well, okay, if the integer five is Passed to in Q and is stared in the Q the The output will be five successful if the integer 23 Is Passed to in Q and Is Not Starred In The Q The Output Will Be 23 Unsuccessful Cool That's what you guys are supposed to do.
Let's do it one by one. Ok sir. how to do it Yes? Well, by the way, first evidence.
Document. Copy this whole code go into your Evidence.
Evidence is making me laugh a lot.
But it's just going to be too long.
By telling the same joke again and again. So let's Not do that.
Ok. Will not put it. Please remove it please From the evidence document. So that's it.
Correct. This is your complete evidence document It's ready here.
Ok. Let's move on.
Come on sir. Let's move on to Part C. Good There is one thing. It happens that you people You keep coding. Of course errors would occur and you have to make changes later Are. So it's okay. to the evidence document Keep doing it this way. But when errors occur There is no issue inside the court.
You can also change the evidence document yes. Isn't that so, if you understand? If You wrote in the evidence document that Not meaning that he went to BCCI.
It's still with you. Do you understand? So you You can make modifications in it. If let's than I would have put a plus sign in it So I would copy it and change it.
So keep the evidence documents ready.
Because I've seen a lot of kids like that.
Those who get zero marks. Just Because their evidence documents are stored here It would not have happened. So please make sure that you Guys are storing it properly. ok let's Move on. Let's solve this part C now.
Bismillahamanirrahim.
First thing, how to find numbers from 1 to 25?
Should I bring it? It is a very challenging job. But X Inent Range.
I want 25 from One. So 1 column 26 1 26 Why start from one up till 26 up till 26 But Not Including 26 So This Is What's Going to Give You One to 25 If the numbers are correct sir then you have done the work.
Now one by one let's try to make a variable which is our enqueue is the variable which will be the flag The Kind of Joe True and False Will Tell Us in q uei uei hey brother from in q ki Look at the spelling, we have become Q Yu Chang.
So brother Now, okay, look at me, you guys.
I had to show it live, do you understand?
Look, now you go to the evidence document.
Can modify this do not worry what We OK, let's focus now.
Look, I have to prepare for everything.
No, I have brought you here now, you people You have to enter your x values. Ok Yes? Now this inside the return value is either We will either get true or false.
You have to work accordingly This x of mine, successful and unsuccessful Thing. OK let's do that. Let's do that. If Return Value = Start If it is true then what should you people do?
We What do we have to do? I want to print it brother.
print x comma Success Home And if it returns false So the same thing will be printed. But with Unsuccessful.
Is it okay sir?
That's it. This is your complete code ready.
It is done. Let's try to look into it.
Let's run the code. Oh my god! Look at this Take it. One successful, two successful, up to 20 Must be successful. since 21 Must be unsuccessful. So Everything Was Working properly Alhamdulillah.
Ok. Let's just copy this code. Your three We further secure the marks. evidence Let's move on to the document. Hey Evidence Why are you not throwing the documents? Take this Yes. Let's italicize and increase our Font size. And that's it. Wow.
Wow. Ok. Let's move ahead with things. V R Dunn v Part E. Part C. We are done with That. We are done with in q we are done with a v Are done with B Are done with C And now let's Focus on d Now let's focus on part d Are. The thing is the function dq now we have function of dq it's the same thing you People know everything. It's just It is slightly modified. So according to that All you have to do is write your code. Ok? The The function dq returns negative one. If the q is Empty. If q is empty then you people What is the plan? Negative one has to be returned.
If the q is not empty the function returns the Next item in the q. So wherever the head The pointer will be pointing to the same value You have to return it. gave updates Appropriate pointer and updates number Items. Ok, let's do it quickly.
Deaf D Q U E U E Okay, first of all our global thing comes.
We will need all those things.
Of course we need my global queue Global head pointer Global Number Items Global Tail Pointed I Know You Guys Might Be Wondering that why tail pointer sir this is you Why are you taking the tail pointer?
That's right, sir, this is the examiner's slit, which If what he has shown in 2025 is correct then its I'm gonna be guiding you to Let's just look into that Sukoon Sukoon Se Let's see, okay, so here we have all the things we need This is our requirement, we have fulfilled it What did we do to take them global?
Lia What is global mean they ekist outside the function function so if we have to them If we want to use them, we should make them global.
Does matter. Is it okay sir? It is very simple.
If number of items is equal to equal to Negative one is equal to 0 if Number items minus zero Is. Then what are you supposed to do? you are Just supposed to return negative one. Simple.
This is the first thing you have done. by the way is You have received a mark of cheese. this opinion Please explain what your entire code means.
You are not even getting your marks.
Even small things have marks.
Partial marks are there. Do not worry About it. Many times this code happens You have written absolutely useless things. Starting Things like this are getting marks. Literally I was looking at the marking scheme.
I will share the analysis with you guys later.
I will discuss. Only Accept IO Errors The file part was correct. one of his marks has been given and the remaining marks will be deducted.
Has happened. so that's also one of the Scenario. So even small marks Gain it. Well, if the number item is zero is not equal to what you are suppose to do You are supposed to understand, imagine again.
Ishaan Awasthi Time That Is A Rotating Hua The planet is coming to us, please understand.
Please imagine, if you don't do it you will get trapped.
Please, wandering has its place and imagination has its place.
Imagine, there is a head pointer which is our everything will control things inside DQ I'm imagining that right now my head The pointer is pointing to the three above index position three Wherever the head pointer points, I will see it from there.
The value has to be raised. So let's just do that Simple. Learn to code. Memorizing the Code Don't learn. This is a very important game. q Go to Go to your head pointer. from there Pick up the value. You picked up the value. His After you said head pointer is equal to head Pointer plus one. We've got head point two now.
shifted to another value. Now I started imagining again. Late Let me show you my imagination. Let me draw my Mind. I'll show you my mind by drawing I am showing it.
The temperature was very cold.
[suddenly loud breathing] Allahu Akbar.
[nasal sound] OK let's focus now. So this is your shape.
Your cue.
always the first element last element and One of the middle elements or the second last Do the element, that would be better stays easy let's go with 18 19 Zero, okay, just focus with me here.
So what we've done right now is value.
Value raised from 18 from 1st is from here My head point right now was towards 18.
See my imagination what have I done now? The value has been picked up.
Don't pick it up and return it.
Value. O servants of Allah, you will be beaten by me.
People so much. What does the return value mean?
The rest of your code will not run. Return The value should be at the very last pay. save If Allah's servants return His kindness I paid the value here, so that means The code which is after the return value will Not work at all. It is very important to understand this It is important for you people. Ok? So now Currently the value has reached 19. 19 If there is value on it, let's give it 10% as well.
DQ him. So what will happen after that?
It will go for 20. So the condition just became Our pointer here is that if the head pointer If the value exceeds 19, the head pointer will be moved Rotate it and bring it to zero. That's it. This much It's a bit of a game. So don't get me upset.
There are already a lot of problems. So the value Picked up. After that, just adjust the pointers.
Have to do it. How will you do it? If the head pointer The value should be increased by 19. I don't remember anything Did. Use memorization for anything not doing. I use my brain I am doing it. that I just drew I showed it to you. If its value increases by 19 Go. Code it as per your requirement. One way Not there. Within the marking scheme, you You will get another approach. I off course class I am teaching by relating it a little bit to it.
So I have done the same thing to you that head point Equals two head points plus one. If the head The point value increases by 19. Head Point Make it equal to zero. And what did you do after that?
Have to do it?
All these pointers have been adjusted. Then your Adjust a number of items. Number Items Is equal to number item -1. Number Items Equal to Number Items -1. When this work is done. Even you People feel like your I got six marks out of six. But thats Not the case. Even if you are returning. Even If you are returning that is not the case.
According to 2025 The Examiner has a chill cut here that is Alldo it's perfect the code is 100% perfect But according to the chill you get a point Which we get inside the marking scheme That is also a point of realization.
OK realization points mean let me Teach You Focus on all the number items here.
Number items -1 reduced The Code Is Perfect There is no problem at all but you An additional code has to be written here if the number The value of the items has become equal to zero So you re-evaluate everything again.
Two That's it. These three lines have to be added. Its There is one mark additional. That's right sir. So always We have to do it now, whether we get marks or not.
There is no difference in the marking scheme.
We are their bad swings, right?
His bad mood swings are always there for him.
Are. Do you understand? So you should be prepared For the worst. That is if number item is Equals to zero. Head point negative one, Tail point negative one. all things back It has been re-released. The Code Is Going To Work perfect. And then come here and The value you dequeued Return it. And that's it. the whole Code ready. Let's just copy this code. This Is what's going to give you six. So Look, if you go towards memorization of code So understand this. you guys won't be able to solve These things. Why is my life easy?
Because I understand the concepts. Literally Give me the code forward, backward, up Give it to me, put it down, do anything. I am nothing I will do something and make up my mind, brother.
I know how to move pointers. Bus We'll turn it around in any way we can.
The camera turns you around. Ok. evidence Let's go to the document.
Let's go to part D. paste here We do. E-Talks in Evidence Documents Let's remove it. Let's zoom in. End That's it. The code is ready. evidence The document is ready. Ok. We are done with Fight A. We are done with Fight B. We are done With Fight C. We're done with Part D. End Then the last point is going to be e.
E means K E.
EI Okay, I'm so sorry, I was a little I am going into details. ok by the way let's go Let's end this question. Then you Let's talk to people a little bit. Part EI Focus on with me. Right Program code to extend the main Program to call dq. Now what did you guys do Have to do it? dq has to be called twice. Twice End Output the return value each time. you people What should I do? call dq twice and The output is to Whatever the value dq is. After That You Guys are supposed to test your program tech A screenshot and you're good to go.
Let's do that as well First DQ seconds hey my brother hey my brother Second, okay, print the first one.
What hand is the first hand print de-qued value One Comma First Let's do the second one a well sec dq value to The second is correct, you have given both the values.
Why did you do this then copy this is part E Go and look at this in the evidence document.
Do all the work with your hands and don't worry about things I had to change it, come and change it later.
I'll remove it from italics and zoom in.
Ok Alhamdulillah tabarak Allah is the best The Last Part That They Are Saying Is Taste Your program takes a screenshot of the Output and we are good to go. Let's Run The Code and Let's Just Pray Nothing Breaks.
We ran the code. ok successful then I can see something. ok look at this Everything is working perfectly fine. Then He's saying dqq value one one and two He has de-queued it. So that means everything Everything is going well. Now the question arises, Sir.
How to take a screenshot? This is strange.
So much is coming. Someone is up there, something Is below. No issue. showing you Are. How to take a screenshot? you are Suppose to go in your search bar.
Here you have to search for Snipping Tool.
Here comes your snipping tool. With this you Click on New. of the terminal Have to take a screenshot. The number of values visible Take as much as you have.
That's right sir. Even you took Screenshot. Automatically. Anyway, it's a copy goes. This copy button is at the top. This Copied. Went to my Word document.
Asking to upload a screenshot.
I remembered it from the screenshot.
Or what happened is this, your screenshot has arrived.
Let's make it a little smaller so that we I can add more screenshots to it.
Man, what a batch. 2026 is the best.
Good sir. Now after that the values which are not It seemed you took them. him too Took a screenshot.
Went into the evidence document.
Here comes your one and complete, this complete Your evidence is ready, just like this Let's arrange it, it will be useful for you people Understanding Sure to Provide Everything So until you show me things, I won't give you votes.
Believe it and even if you see it, you will still give it I won't believe it, please do me a favor Complete the work, the rest is in Allah's hands.
Let's Move On With Life Chal we are done with part Alhamdulillah How many marks have you got, just look at it Let's focus on two marks here.
Six Marks Eight Marks Added in 9 10 11 Kiya ch 17 18 19 20 marks so around 20 Marks have been secured if the paper is leaked If it doesn't happen then otherwise good luck to you.
20 marks have been secured sir, ok now While talking, everyone started understanding.
Answering with yes or no is more than just a response.
Don't vote, I don't understand, it's not an issue.
You can understand it from me at the end of the class but For now, just tell me things will start to make sense.
I am wondering how to solve it.
Life has become easy, hasn't it? what's the matter with you Friend of the people.
Simply the best we we Trunk Sir you wrote MQ instead of inQ.
I did it right. I Fixed It Right I fixed it already, yes MQ done I had MQ ok a little bit a little bit ok perfect Let's move on let's move on with Zindagi Sir Why is the examiner turning around?
[suddenly heavy breathing] business O business, O business, O business, O money, O money Ray [nasal sound] okay let's Move on to question number two sir A program reads date from a text File. This is a very interesting question. very much This is an interesting question. beyond measure fun The question is. But before that I'm gonna give You a tip. only OK focus now. The Thing Is Samatis You guys might be able to experience a New built-in function a new operator which You might not have studied I'm gonna be Teaching You How to Use Python Too Basicly Read the documents about Python so that you can you know Read them, understand them, and look into them.
Do you understand Them and You Know? So let's look Into that. How do you do that? It's a me I will discuss this separately as well.
Because you're sitting with me right now.
I'm gonna be teaching you. there is something which is known as help Brackets and then you are suppose to write.
Let's say you have an operator who doesn't understand coming. Let me show you one question. This inside the question as if we Do we have it in this, we don't have it in This is okay, perfect, no worries, let's say this I don't understand what this comma is.
How do I split it? I am not able to.
To Understand and I Am Not Able to Recall what was the built in function that allowed us to We will split the data. So what can you do?
Do I Can Write Help STR STR i.e. from the string related to the string About related built-in functions tell me. Let's just run this code.
Hopefully it works. Ok. Let's Look Into Dec.
These are all your details.
All built-in functions are regarding All those strings will start coming.
Such as add contents format get item get New Argument#sh.
Meaning of course there are so many Built-in Functions You Are Not Supposed to Worry Just read about them once, that's it.
It just so you can remember something in your mind No need to do it. It's Just There You Can Just Write Help String and You Will Be able to see it. Look at the size of Capitalize her/her There is also a description. You will get everything Here. Return the number of everything you need You will get to see it here. you are just Suppose to keep on going encode encoding end switch Format Index Is Alpha Is S Key Is Decimal Is Digit Is Lower Is Numeric Is Is space is title is super every thing here You will get it. strip replace r point r Index Split Now here comes your Split Functions that guide you through everything here Brother, how is the split happening?
It happens. Like look closely at the split Can split it if you don't write anything According to him, he is doing splits To everything. Look, here comes your split.
Function of. When set to none, the default The value will split on any wide space.
Correct? If nothing happens after the split You will write it along with its equal inside parentheses so it will just do with Space. But if you add a character So he will work accordingly.
Look at this All the details here Things will come. Ok? This is one thing. Now You can do this with integers too. I Write down N.T. Now there's one with operators Too.
Like if you forgot about mod and diff In So You Can Right Help Operators.
Run the code.
Now all your operators will start appearing.
It will be done.
Look now at the next paper, Insha Allah.
is our related to the exponent in it Was. So, look at this related to the exponent.
Here you get to know from the exponent What is related?
What is a div? What is mode? according to him You got to know things. Divis Reminder Floral Devis means basically the value There is a whole number reminder i.e. mode The value has arrived. This is your div Wali thing. Everything you need is here You will get everything. Sir. Is it okay?
You can utilize all these things.
Okay let's move on to the question now.
Let's just go back. Go back my brother. Go Back.
Go back my brother. Go back. Ok. Let's Start with the question now. Now we Going to start question number two Are. Focus with me.
Good sir. Now tell me here to you people That is, let's zoom in a little bit.
So that starts to show a little bit. To you people.
Ok. A program reads data from a Text File Splits the Data Depending on its content and stores the separate Data in different files. great fun question Was. By the way. There will be a lot to learn Inside this question. what do you say to people Used to be? You have a text file.
Which has to be read. Splitting the data Depending on its content and stores the Separated data into different files.
By separating you into different files Have to store. Ok? The Text Files The datat contains 72 lines of data.
are each line of data has an integer Number a string color that are separated by a comma for example the first line in the File is 10 comma red this way you can quickly Visualize your files with Go to Explorer and open the data.
Check it out 10 comma red 20 comma green in this Please do not perform any changes.
You guys will get trapped, right, so make sure that You guys are not touching it. just only Visualize it. Ok?
Let's go back to question number two. Now Saying the integer is 10 and the string Is red. The file contains six different colors. Red, Green, Blue, Orange, an Orange, Yellow, pink. There are six colors in it.
After that, there are saying the file contains Six different colors. The function read data.
You have to create a function named read data What will that do? pts the user to Enter a file name. Props means input You have to take it from the user. After That End Reads the file name from the user. from the user Will take. Exception handling will be required.
Opens the file and reads each line of data Into a forest array. will create a one-dimensional array and Inside that you have to create a one-dimensional array.
And inside it, one by one, all the You have to load the data. It Returns The Populated one d array. Whatever array you created You will have to return it. The Function Needs to work for a file that contains an Unknown number of lines. So any number of lines Ho you should be able to read it. somewhere someone Who has seen the word exception handling?
Yes or no? Let me know in the chat please.
Is there any word regarding exception?
Hardling? The answer is no. But But sir You guys are understanding, right?
The examiner was interested in this and he took a Marks have also been given for exception handling.
So that's something you should learn right Now. Whenever files are needed, examiner Will try to make you. you did not Have to become. Is it okay? paper three cancelled It is done. [nasal sound] So please just try to focus on Doing exception handing a well. So let's Just do that. It is easy. children's question Is.
Def read data then get file from user If you have said to the user file then the user file is equal to input enter the file name please Then create an empty array inside which we Will append all the things here now The file work is starting. Try it File equal to open.
Inside this, the file has to be inserted which the user It will give you the input. Open in which mode Have to do it? Must be opened in read mode. Now What do we have to do? pick up the line one by one Is. for line in file. That's the easiest Approach. because on every line There are different values, groups Not there. So, we can easily add this for loop.
Can. For line in file wala. of the whole All the lines will come one by one. You read There is no need to line up. You data You will go directly to the array. append inside it What will you do while doing this? line to newline Removing the character. So that dot strip It moves away. This is your new line character, whatever.
It is coming inside every line, remove it Gives. After That's What You're Supposed To Do you exit your for loop?
You have closed the file. Correct?
After Closing the File What You Guys Are Supposed to do? you guys are supposed to do Exception Handling Now. ok now Same scenario happens inside Accept also We have. That is the one with IO error. Always Do the same with IO error. The examiner never If he writes, sometimes he writes, then just prepare.
For the worst case scenario. print file Does no Ekist. ok sir? This is your part A. Ready. You are supposed to return your data Array.
This part A is ready. File from user Took. Created a data array. read empty file Did. for line in file. line by line Keep picking it up. Append it inside the array Went. Open the file by removing the newline character.
Closed Accept IO Error made a Mark is literally so please do not miss this things and you returned the array Let's just go back o ho mashallah control I pressed my heart and brought back my things.
Press Ctrl+C to go into your evidence.
document PasteIt Remove the Italics Zoom in a little and you're good to go.
Ok. Part A done. Let's Move On To Part B. Now.
Now Part B is going to be very fun.
This question was very interesting. just Keeping the Focus With Me Part B. ok bye the They I am so sorry. I go into a little detail I am going because of course you Guys are doing it for the first time. My things together. I'm Just Not Providing You the sessions. I also understood the way of thinking I have been. I am also giving an explanation.
Otherwise I can complete the entire paper in 45 minutes.
I can solve it and pay it on the side. But I am going into a little detail. Are you Guys okay with this? Yes or no? Let Me Know In The Chat.
Are? Let me know in the chat. are you guys ok With this? Ok. You guys are okay? perfect.
You guys will get used to this thing. [Laughter] I closed the chat and decided myself.
[Laughter] [suddenly loud breathing] Let me know. You guys ok let's go here There is a voice nearby, come on, say it, it's okay.
Went slide first would be better okay who's listening is yours [laughs] Give your opinion as if it matters ok ok ok ok son let's finish the paper You will get a break, whatever break you get, Inshallah.
Focus here Why are the papers not ending?
Second datesheet coming Allahu Akbar to [nasal sound] Let's move on to your part B now the Procedure Split Data Takes a One D String array as a parameter now a little bit Changes are happening inside, just focus on it.
You will be with me as soon as possible Let's see what you can do to split your data.
People have to create an add function called procedure to make that one de ah ere take as a Parameter with the identifier data array Identifier date array is kept. The Procedure declares six one d arrays. These Six one-dimensional arrays will be created. One Array for Each Color that appears in the file Red, Green, Blue, Orange, Yellow, Pink. Correct. Good Let me see the file, red, green, blue, Orange. Ok. Ok ok. Ok. in this way It has happened. Ok. perfect. Ok. The Procedure access each string and data Array. The data in each string is split Into the integer and the color. Integer and Color You people have divided these things inside Have to do it. The integer is stored in the array that Matches the color. Whatever integer it is, you People have to store it inside the array. that Matches the color. Meaning if the color If it is pink then you will need to put it in the pink array.
Have to store. If the color is red, then you To be stored inside the array containing red. For Example: The first string has the integer 10 And the color red. So the integer 10 is Starred in the array for the color red. Ok? Six Arrays have to be created. All work according to six Will have to do it. Easy bro easy. very much It is a children's job. First of All Lets Make six arrays.
takes a data array as a parameter, within which Your entire values will be present. Its After you created the array of the first raid. Then I created an array of Green's. Then I saw the blue Created array for.
Then I created the array for Orange.
then I then I then I then I then I then I then I then I Created an array for Yellow.
And after that I'm gonna be making an array For pink. How many are there brother? That's six, right?
perfect. So these six arrays are made for us.
I have finished sir. what do you guys do now Is? You have all the values present inside the array.
Are. Data has to be picked up from that array. One The line has to be lifted, split. Number And color these arrays according to the color To populate inside. Easy Bro Easy How do? for x in range length of Data array.
Whatever is the length of your data array Let us go through all the elements one by one.
Is. So what did I say earlier? I have a Created a variable named values. I I'll go to my data array. one by one I will pick up the values. Correct? Now the value After lifting, the value in it will be something like this It is coming. Let me show it. 10 red. Some?
This is the kind of value we are getting.
What will I do now? I got her in splits Have to do it. What does Split do? We have There is a built in function called dot split From. within which you can specify That you have to split on the basis of comma.
On the basis of which character did you store the data?
If you want to split it, it creates an array.
So I created a book called Let Me Show You Data.
Created a variable that will become the array of mine.
In this I picked up the data of values dot Split and comma as a separator.
Look at this What did I do?
From here we will pick up the value of 10 reds. 10 Red dot split on the basis of comma. Now Two elements have been created within the data.
One zero and one one with 10 inside the zero is present. Red is on element one.
is present. Now how will we get it? Now Let me show you. Numbers from lats.
The number is there in your integer. type the data We give. Zero ones go to data Thing. Correct?
What did I do? index position of the data I have gone to zero. From there I got my number has been picked up. Let me show you so that you guys can You can visualize things a little. Let Me Show You.
Test Equ 10 Red. I said data = Test Dot Split and on the basis of commas Print data. Let's visualize this Who has not understood.
What did he do now? What did Dot Split do?
Did? Made one element 10, one element Made it red. Now I can access it easily.
I can do it. index position zero, Index position one. All the values you You have accessed it. So this splits the data Does. So that's what we are doing.
So number equals to int date zero and which The color will be on the second element.
Color is equal to the index position of the data The value of one pay. And after that what You suppose to do this when this thing comes. Now the basic There are C conditions that we have to apply Is. If Color Well let's not waste time.
Let me do some jugaad to save you time I can OK Magic OK if color is equal to equal to red if The color we extracted is red.
equals then you will go to the red array And you will append the red dot append number to it Whatever number it was, we added it to the array.
Else if the color is green then you can put green You will go to the array and add that number.
If the color is blue, then the array containing blue If you go, you will append a dot. If the color is orange So you'll go to the orange array dot append You will do it. If the color is yellow then the yellow ones If you go to array, you will append it. If the color If it is pink then you will go to the pink array.
You will append it. So to do this he I told you that I did it. I did it.
Everything is done. So that's it. all the things Yours is ready. The things inside the array I asked you to store it, I did it. We Not thinking beyond this. Let's just Copy this code. Go into your evidence Document End Paste it.
after that remove the italics Increase the size and you are good to go.
Okay sir.
Ok. We have completed Part B. Now Let's move on to Part C. In Part C Telling you The Procedure Store Data. Now What do you want to do? Procedure Store Data What will it do? It Takes Two Partridges. A one-dimensional array of data to store and A file name. Right sir? What to store data for Used to be? Takes an array and files with it Takes the name. Opens the text file with the The file name that is passed as a parameter. That will open the file. Appends each item of whatever data is inside the array to a new line in the text file.
What are you saying sir? Appends each item of The data will be an array of parameters.
will pick up the data. Append inside a text file Will keep doing it. Make Sure to Understand the Word Append. Correct? files already Exist. Look at this. Greentxt, blue.txt, orange.txt, pink.txt, red.txt, All the yellow.txt files are yours. 1 2 3 4 5 6 Six files exist. you are just Suppose to append in them. Takes Two Parameters. a one-dimensional array and a filename Opens a text file with the file name. Is Pass is a parameter. Will keep appending.
Exception handling has to be used. End Writing to a text file. Easy. Let's do Dec.
Deaf Store exception handling has to be used.
perfect Ok Store the Data The data to store inside it is to take an array You. The file name has to be taken with it.
Parameters. And after that's what you guys are Suppose to do you guys are supposed to open this File.
file equ open filename We opened it in comma append mode.
One by one after opening in append mode Pick up the values from your array for x in range length of Data to Store According to the length of whatever array we have will run our for loop and we'll do our Pick up the value. array value will convert it to Equ to string Because of course we need to use the text file I have to write inside. So make sure that It is in the string. So inside the string Will convert. on the array containing the data store Will go. We will pick up the values one by one.
This is how you are supposed to access the Values. What do we do now? write this You have to do it inside your file. Profile Dot What should be done right? array value Plus the New Line characters.
That's it.
that'll be. Exit the for loop. Your file Closed the.
Exception handling.
print File Access Your Code Is Ready.
Come understand this with me. what to do Is it brother? Data to store you guys have array Took. File name taken. then open the file Kept doing it in append mode. one by one all For loop to access the values Applied. Guice picking values from array values convert it to string and file.
Add a newline character Doing so so that every value is different from the other Go to the line. If new line character is added It will be on the same line which Is not the right approach. Because they He said to a new line. after that you are Suppose to close the file exception handling.
And that's it. The complete code is ready.
Let's just copy this.
Go into your email file.
Come here, paste it.
Remove from italics, Zoom in. This is your complete The entire code is ready sir.
Ok? This is Part C. Done. tell us now Are Part D. Correct. keep my focus All together son. What is said inside Part D?
Are you? each of the six colors has a Blank text file. what are you saying Brother? Each of the Six Colors Has Blank Text files. All these files are empty.
pinkxt, orangext these are all empty. Ware The Numbers Will Be Sturdy. The Names of These Six text files are blue.txt, green.txt, orange, pink.txt, scared.txt, Yellow.xt The procedure split data. Where from Brother? Split data? Here it is. This one. Say Are you asking for needs amendment change?
Have been. To call store data six times.
When you have stored all this data Has given. The data has arrived inside the array. Now They're saying call the store data which That takes two things. Keep in mind. Two What does it take to get things? The first takes the array then The second one takes the file name. with each of the six color arrays and and the names of the Text files corresponding to That particular color. For Example Store Data will be called with the raid array and the File name will be red.xt work with children.
We go here and you guys go here.
What should I do? Store all your data Have to call. out of this particular loop What is the point of leaving here and working peacefully?
Is it getting out of your loop? These are the arrays The value must have been stored inside these To store data. How?
Out of the if, out of the for loop. now here Call us your store data. difference It doesn't matter if the stored data is down.
Is. It doesn't make any difference. first thing You have to tell the array in this. So now I Let's say array told red one. of the red one Also told the name of the file.
Red Dotxt Then store the data. Then the second array from lets Blue one array What file is inside it? Blue Dot txt Then store the data. Then which file is it?
Let's pick up the green array green from the let's.
Filename: green dot.txt After that sir store data Brother, let's pick up the orange array.
File name: orange.txt then store data Am Yellow array yellow dot txt After that pink remained ours pink array comma pink dot txt So that's it, the whole work is done.
Yours truly, Red, Blue, Green, Orange Yellow Pink Red Blue Green Orange Yellow Pink Hopefully everything is fine. everything is right yes. Let's just copy this code.
Part D of your evidence document Pasted while walking to the side.
Sir, should we also use the above split data?
Do you want to change? The answer is no. there is Different point. This is a different part. These Yours is completely ready.
Ok.
Let's move on. What does Next say to us?
After part D, we move on to part E. Say The main program calls read data End split data. Go to the main program I have to call two things. You your own read data and that is your Split data is what we need to call it. Correct Yes? Let's do that.
One thing we know is that your read data Array is that it returns an array. Correct?
So we have to bring that array. So let's Just call it tap array. Inside this we have our Will call read data. it's going to returns a particular array and then we The array has to be passed inside the split data.
Because what was happening in the split data?
You need an array and according to that By splitting all that data into arrays Stores inside. So you do all this work It became people's. Copy this.
Go to Evidence Documents Paste it and remove italics.
Let's Move On To Your Visual Studio Code And after that test your program input The text file the data.txt when Prepared take a screenshot of the output and Screenshot showing the contents of the file that Stores the red numbers. ok what do you say now Are you? Showing the contents of the file that Store the red numbers. file of red numbers You have to take a screenshot and show it to him also.
Ok? Let's run the file. Hopefully there is no error.
May Allah bless you. If errors occur, we will correct them.
Will sort. There is nothing to be afraid of.
Ok? The Code Worked. Perfectly fine.
We did not face any issue.
Ok? perfect. We copied this code.
Took a screenshot of it. your evidence Went to the document. Here we have a first Put the screenshot. what should we do now Is? Now hopefully we have to go to our folder Is. where we have our I worked on that, open the red file Have to do it. This is the red file. You have this Open key.
Here comes all our data which is array Was present in. Take a screenshot of it.
Took a screenshot of it. on a Word document Went. Here you have your Also added Red Dotxt. And that's it.
You are done with question number two as well.
Alhamdulillah.
Now if you run the code again, The issue will be resolved sir. because he again The values will be overwritten. So please make Sure that you are doing it perfectly Fine. Everything Works. So please twice Don't let it run. Ok? is it done. Even work of. Done. After That's What You Guys Are Suppose to do? Let's look into this. How many?
We have already got marks for this question.
Inside? Let's see quickly. will rise again On to question three.
Ok?
seven marks 7 + 6 13 + 5 18 19 20 23 25 You have received your marks here, sir.
The whole question and the question to me is Halwa.
I don't think you guys will have anyone. So Alhamdulillah we are done with this Question as well. Let's move on to the last Question and then we're done with this hole Paper Inshalah Tala. Let's Move This Let's Start. Just the last question, Inshallah focus Please be at peace with me, Inshallah You explain to people one thing Quickly understand everything After that we will see what needs to be done.
Let's focus now okay question number three V Are you going to start with question number?
Three End It's a fun question. quickly look at Are. Let's try to understand. quickly Will keep focus. Related to binary tree There is a question. If not too long, then just Just focus. Ok? Ok.
What is he saying to you here?
It was a bit challenging. you explain To the people. There are some new things to learn I will meet you here. So please stay focused With me. Here we have something It is in question number three. De R saying a program stores data in a Binary tree that is designed using object oriented Programming. The Tree Stars data in ascending numerical Order. For example, this is the data like this Stores what we have learned Is. Correct? It is easy. If the number were larger Yes, we go to the right side. If the number It is smaller, we go to the left side.
Ok? Now here's a little bit of that binary.
This is a concept which is part of your syllabus.
It is present in what you people have already read, details I have understood. But it's just him Shown in a slightly different way Is. So please keep focus with me. Let's Just quickly look into this. from you people Getting a node created. node means a habit Creating the data type. Now what is that?
Let's see quickly and understand. Node data There is value in it. Then the left node is Inside which another node is stored.
That's that's a very challenging point.
It is a little different. It's not challenging.
It's just technical. What are you saying?
Stores the node. Pointer value not stored He is doing it on the left side. He is the complete The node itself is storing it. Usually what It happens? Left pointer inside binary stores what the next pointer is Is? What are you doing here? the whole The node is storing. That is store to the left of the current node and a null value if There is no node to the left. Now what is A null value? Now what do we call this null value?
How will you store it? that's something Why we need to figure this out. Ok? Right The node is the same thing as the node on its right side.
It will store the entire node. Now What does the constructor say? It Initializes node data to its parameters Value. You have to create the constructor.
will initialize the node data to its Parameter value initializes left node And write node to a null value. Now how do We define a null value in Python. Correct?
We will talk about it. Let Me Just Teach you. None is the keyword in Python For Null. This is basically null. Whenever we people When you talk about tap, you write it as nun.
yes. Meaning nothing. That's it that Simple. Null means nun nothing. Correct Is? Ok. Let's move ahead. what are you saying next Is it from you guys? What If You Rot Negative Forest? That is also acceptable, for example. But That's the right terminology. which you have correctly Keywords are things you can learn.
Hai nun n o n e. It's okay, sir. Let us go Let's move on. what are you saying brother from people? Initialize no date to its Parameter value. Initialize Left Node End Write node to a null value. Making the Get Left is, make gate right, make gate data Yes, we have to make the gate left. After that, set What do you do inside the left? Tex N object of type node is a parameter and Stores it in the left node. Set Right What Does it? Text An object of node is a parameter and stores it in the right node.
Correct? He is getting all this work done from you. Part A right program code to declare the Class Node and its constructor. Do Not Declare any other methods. use your programming language appropriate Constructor. If you are writing Python Using the Includes Attributes Declaration Comments Easy.
Let's do it quickly.
Class Node We have attributes. which ones Are? There are three attributes inside it.
Private, No data, Integer after that Private Left No Colon node Private Right No Colon Node OK Let's Make It Small And let's just make it capitalized It doesn't matter, all two, let's do these three You guys have created the attributes. After Making the Attributes You Are Supposed to Make The Constructor Cell. And inside this you are supposed to take node Data P as a parameter.
What do we do now? Send us your node data has to be initialized.
ok from parameter value after that you guys has its right node and the left node is to be initialized to nun That's it, your basic constructor is ready.
You are supposed to copy this code into your Evidence Document Paste it Remove the italics Paste it Zoom in Do it.
OK part A done. Let's move ahead. Part A of After part two is saying right right Program code for the three gate methods. Now You have to make three getters. Which ones?
One note data, one left, one right One and one data. Let's read it quickly just. Gate Left, Gate Right, Gate Data. These Three have to be made. makes it quickly Brother.
Gaiters are very simple. you just Suppose to return that particular value.
Don't forget to self-pass.
Get Right Then gate data has to be created. Only the last one remained Our. It will pass itself inside it.
will return self dot under underscore These three gates to Dot Data are for you people.
Have been made. copy this to here Go into your Everence document. Let's Just bring this down. paste it here Are.
Remove from italics. Let's zoom in.
This is your part 3 and II ready Sir. After That Next Part Now I am asking you in part three.
Look, it's not the whole binary yet.
No concept has even started. You What do you guys do? You guys get upset Maybe my friend doesn't understand binary. We're stuck, brother.
What will we do now? What will this be? brother who comes If you have that much then take the marks. These basic There were things. Take your marks for these.
How many marks are you getting for free?
How many marks do you get for making a literal getter?
Are you there brother? Look, you only get four marks.
To create a constructor. Three marks to you To make a getter. I got seven marks just like that.
Brother. Now you will also make a setter. what is in it Is it difficult? Three marks for him too, 10 Marks were obtained just like that. So like there is Nothing to you know worry about it. Paper Four is One of the easiest papers that you guys of is present. So don't worry about things.
Just do as much as you are aware of. as much as comes Do as much as you can. Now on to part three What are you saying? set left takes n An object of type node is a parameter. The Method Stores the Parameter in the Attribute Left no. I want to make a setter from the basics, brother.
Self is always passed in the name of set left Is. which basically represents the The object itself. Pick up the left note P From here and then set it.
Self Dot Underscore Inside Left Note Put in the value of the left note P. This one The setter is ready.
Set Right Pass the self.
Right Note P And after that cell dot under underscore Inside the Right Note Store the value of right note P.
The setters are ready for you guys.
copy the code Go to Word Come here, paste it, remove italics Make the size bigger. And that's it.
Well, the setter is also ready. Now for Part B What is he asking you to do? saying right the Main Program to Declare Five objects of type node inside which your Have data 10 20 5 15 7 neither one nor two, Note three, note four, note five. You have all this Have to make it. Make it quickly brother. What Is it difficult, friend? what a difficulty Is. There is nothing which is complicated.
Node One Node is the data type. There is data inside it.
Let's just copy this. 1 2 3 4 5 20 inside it 5 inside it 15 The Last One Is Inside It This is two, this is three, this is four, this Is five. Five, your notes are ready.
Copy it, evidence document.
Paste it. Remove from italics. zoom in. thats It.
Come on, go ahead. Now your part of the binary It is starting. Correct. there is this There is nothing literally. anything yet It was not related to binary at all. right now Completely object oriented Programming was simple. Now from here There is a bit of a binary concept. So just Focus with me. Good sir. Now you What are you saying to the people? that is the Class tree. There is a class called Tree.
Which Stores the Tree. whatever binary tree It will store it. what is here now Is? We have something called the first node.
is present. Which is kind of the route?
Pointer. The first node, i.e., the root pointer There is talk going on. stores the root node in the Tree. Whatever your first node is, look at one There is a class named Tree. again the same thing Ishaan Awasthi will have to be involved in this. Complete The whole game of imagination from here on out It is starting. That is binary tree key To imagine. Now you guys will start. They How will you do it? take a look at it calmly All the things sir. Ok? First node colon node starts the root node in the Tree. Whatever your root node is, that is, the root is a parameter, is a route pointer, He is being talked about. Here the constructor What are you doing? initializes the first node to its parameter value. which is yours now There is the first node, it will take it and your will take the parameter value and will assign it inside. Then the gate is connected to the root node.
There is a getter named which is your Will return the first node. then insert There is a method called which Will store at specific correct position.
So there is no pointer game here.
There are complete stores of nuts here.
Are. So let's just do it quickly. understood I understand and will explain it to you people. Ok.
What are you saying brother inside part C?
Well, sometimes we never get used to anything.
Are there? What is he saying to you here?
Write program code to declare the class Tree. You declared a class containing a tree.
The constructor has to do it. Do not declare Any other method. Use Your Programming Language Appropriate Construct. No to this One gets into the habit of not reading. please make Sure to read this properly. read across.
Because sometimes he mentions the name of the method in it.
He also puts it in. so that's something which is There. So please read it completely. Always We get used to it. We will skip this We give. Because this is something that we Not by practicing it again and again It would have been written. So that's us, you know, skip We do it. So please complete it correctly.
Keep reading. Whatever you are saying. if say If there is no method to declare then It turned out great. If it is saying getter in it If I had put this also then you would not have been careful.
Ok? What is being said inside Part I?
From you guys? Have to make a tree. quickly made We give. Firstly Class Tree In which he is telling you people You have to create the first node.
Our declaration comes first.
First node colon node.
After that, what you guys are supposed to do is Make a Constructor.
There will be a self-pass and the value of the first shot Take edge a parameter.
Then assign your parameter values.
Is.
Allahu Akbar. You can also see this part here You can do it without your concepts.
yes. So this is something which you can easily Gain marks in two marks. gain this too Could have. Well now I'm telling you one more thing.
Getter is available for one mark and free.
Write program code for the get route note. These I will make it too brother. You can also make this yes. So please just gain these small marks.
What is he saying to you? Gate Route Note Making To.
Don't forget to self-pass.
return cell dot underscore underscore First Node You will return the first node.
Gave. OK you are done with this. would come now Let's turn to a difficult question. which is your Part Six.
This is what is difficult. Correct. For this I will do something amazing for you guys.
Let me show you that.
That's the Eighty Notes that I need to show You.
so that you people understand things about your How to utilize the concepts. Late me show you the notes first paper four And Then the Last Page 80.
Ok. You read this first. Then I will give you I will also show you the notes. Look carefully at what you say Staying here with you guys. by the way This is the last part. So just a little more Focus on it. I know you might be zoning out.
So don't zone out. Focus a little on me with. Let's finish this quickly.
Well done. Ok. They are saying brother, The Method Insert. You have a method called insert.
Which takes a node as a parameter by name and then searches the tree to find the position To insert the new node by. Correct? a node will look for it inside the tree as a parameter.
It will store it in the correct position.
Checking whether the nodes' data is less than our Greater than the root nodes data. to the data Comparison has to be done. Moving to the Left Node If the data is less than the root nodes data.
Moving to the Right Node Where the Data Is Greater Than and equal to the root root node data. Same If it is big then on the right side, if it is small So on the left side. repeating until the final The position of the node is found and returns the Node in that particular position. On that you The entire node has to be stored. now here What is the difference? The difference is just this much. I Let me show you the difference. In this whole question What is the difference? When we read things and I tried to understand, so of course I told You this before. We never remembered the court.
Didn't do it.
We always focused on the knowledge aspect Of the court. So just focus here.
Will keep it. This is the binary that we did. Now It had a 2D array inside it. After that you guys It had a route pointer. In this the root There is no such thing as a pointer. inside it We have this complete code for the add node.
Was. Inside this we have array.
The tree also becomes full in this. Now in this So there is no array at all. So when the tree is full There is no such game here. because he Storing entire notes.
instead of the pointer of that particular Node. Now what are we doing here? We We are getting the entire notes stored.
So here's the complete code to do this.
There is no need. Node needs to be created You don't have to because the node is already created.
It is coming to you ready. After that you There is no need to check this thing.
The value of the root pointer is negative one or No. Because the first node already He separated it. Now what is the main thing?
Finding the correct position. what is his code He says? Here it is.
Simple. This is the complete code. but now There is a difference in this also. In this we give pointers used to play the game of. Now you have the complete notes.
Have to play a game of. The Code Is Going To Be Beans. I will show you by doing it right now. The Code Is going to be the same. This is the code I Just highlighted. We need to find the correct position This is the code to find it. If you like the concepts If you had remembered, you would have been able to do it easily. placed Equ to Falls. Current pointer equal to root Point. Now we are no longer going to Use the pointer values. We are completely Will pick up. Now we will collect the data from it and the data Will compare. If the data is correct then We will check whether it is negative there or not.
Then change the pointers accordingly.
Instead of this we will put the whole Nad. So That's something which we are going to do.
Let me teach you how. Ok? Bismillah Rahman Rahim. Focus now come with me quickly From. This is the last part. I know you guys are Tired. No was focus focus focus.
Okay let's start.
Deaf insert New node you took as a parameter. Now We need to find his place Placed Equals Two Falls Initialization. Then what should I do now?
I need to come up with my root node. Root node How do I get the root node? From the lates I Created a variable TempNode WhichIsKind Off my current pointer.
Temp Node Is Equipped To self dot underscore unders floor these root I picked up the node and brought it. Because always every Comparison starts with the root. Our Keeping concepts in mind. Correct?
Always starts with every comparison route Is. Then what did I do now? I said while Place is equal to equal to falls. Until Placed's value is false. What should you do?
First, bring your data. How the data Will you bring it? You have a getter for that. Now that data Getter in what way? This is the containment The concept is by the way. So how will you do That? You will go to Tap Note dot Get Data Will you do it? This is how you're going to get your data. Once you have the data, then We have to make comparisons. Now the comparisons How are they? You have known your new data collection by dot get data on top of Is. Now we have to do comparison. If this number What you want to insert now is your is smaller than the root value, then it is on the left The side case has been made. Correct? Now How to handle the left side case Will you make it? Stay focused with me. If Check it first. Can we go directly?
Store it. The answer is no. you first Pick up the value from the left pointer. look at his.
So does that mean null, that is, equal to nun?
Is? So according to him the whole game will be. Focus with me. If Look, the code is difficult. but my What code is running in your mind? which to me I remember. Which is the one I learned in class?
I have read it. Now what did I learn in class?
Is? I have to check. Left Node Pay It should be negative one. So in my mind That's what's going on. But I will change the wording I have been. According to the question. If Tame node dot get left pick up the whole node Compare her with a nun, meaning negative.
compared to one if there is a pay tap that of your left node if mean space exists We used to change the value of the pointer which we I have read it in class. what are we here do? We can change the entire node.
Will give. How to do it? Look at it calmly. You We have to go to the root note. set left Have to pay it.
Which new note should be inserted?
That's it. The whole game is the same.
The wording is slightly changed. You have this Made it true.
Look at it calmly. And if it is not so, then we Let's increment. How to increment We do? Changing your route pointer You will go. Let me show you how. Look, I know the The code is very complicated. but my This code is not running in my mind. which I I'm writing code, it's in my head.
Not at all. I have the same code in my mind What I have taught you, what I have taught. But I will change the wording I am going to keep writing here. That's it.
Nothing new. literally just changing the Wording and Writing It Down. Correct? Now Now what is the second thing we do? Here Pay? What if I don't have space?
Did you do it? Current pointer equals to dot Left pointer. current pointer dot data dot By using left pointer we can move values to the left.
Used to pick up pointer's data used to pick up pointer.
Here we have to change the entire route.
Have to give. The node itself has to be changed. How?
Store it inside the tem node. Which one Value? Which is the left value. From where?
Will you pick it up? You will pick up the tem node dot gate from the left.
Your entire code is ready.
And if the value was not that small. she is big The value you want to insert If so, it becomes a case of right. of the whole Complete Same Code but with Right Lets Just copy the whole thing.
Let's just paste the whole thing. But with a Twist. Now what is that twist? Gate Instead of left I'm gonna be making it get Right. I'm gonna be instead of set left Making It Set Right I'm gonna be instead of T no don't get left Making It Get Right And that's it, your complete code is ready.
you are done digest it first i know it's a Little too much for you to digest That's it. This was the complete insert code. It's You just should know how to use the concepts.
Go to your evidence document.
Make space, paste it. Full marks for this The entire code.
Remove italics, enlarge the size. and that's It.
This was done, insert work was also done. Now to you He is saying that Part D is just the last part.
I'll go and finish it quickly, then if anyone If you want to understand something from me, then understand it later, okay.
The next part is to create the recursive output You have memorized the code, everyone knows it, it is easy.
They are saying go and see quickly The Recursive Procedure Output in Order Everyone already gets the in-order code quickly.
Let me show you all this to me coded in which you people Inorder traversal is done from the first route things according to the value you place on them Let's see, then after that we collect the data.
Are. Then we do the right thing. So That's in order. In order, i.e. to the left, Root, right. Value has to be raised in this manner.
Left and then root and then right. Easy? So Just keeping this in mind, this is the same You have to create a recursive procedure.
of the output inorder. Correct? quickly made We give. And then we are done with this.
output in order What is that taking from you?
The procedure takes a node object as a Parameter and then checks it's a root node takes a way if the right node is full And all those basic things. So let's just Go with the root node.
It's a procedure. It's not a method. Now What do you have to do? first thing on the left Have to pick it up. How will you pick up the thing on the left?
Look carefully son, if you know the root Dot Get Left is not equal to nun if she is not equal to nun that means The element is there now, so what are you doing?
If it's not equal to negative one If it were so, you would have gone to the left, then you What will you do with the output and order again?
You will call me but keep the left note here.
How will you take it? Root node dot gate left.
That's it. There is so much work. Understanding the basics If it comes then you can do it easily. After that we People print the value of the root. data Have to print. How will you do it? at the root node Go Dot Get Data.
Then the right side work has to be done. This is the bean thing but for the right side if the root node Dot Get Right Is not equal to none in that scenario Output in Order Root node Dot Gate Right Your entire code is ready, take a look at it comfortably.
Look, the same thing, but of course, the wording It is different. The Wording Is Not The Same. It's Different. So you should know how to do it. Are you ok Is it over? good last part ei in which Everyone is asking you to score those runs. Right Program code to extend the main Program to create a new object of Type tree. You have to make a tree with the nut Containing the data 10 as the first node. Who 10 is what should come as the first node. His After that you have to insert 25 15 7 Inu the tree in the order given which order given You have to insert 25 15 7 in it.
Perfect, this is the order given to us 25 15 7 The order in which we made the notes is note one.
note two note three note four note five same In the order you have to insert. Then you The output is to call these orders with root Node as a parameter. Correct? It is easy. Quick Let's do this also. Let's Make It My by the name of the tree Inside which we will make a tree and in it Node one will pass an edge parameter. than now We have to insert. My Tree Dot insert No to No, three notes, four notes, five Note Three Note Four Note Five Do all the things Gave. After this you are supposed to call your Output in Order And in this, the one with node one was the root node.
This was the entire question after passing it.
Dude 75 out of 75 if this code works correctly and if any error occurs then Let's Just Sort That Hopefully It Works OK let's figure this out, we did something wrong.
Look, now I have to focus here.
with. What will happen? You guys will be crazy Here, friend, what will happen now? We have this What happened brother? Errors occurred. red lines Correct. Look, it's nothing, friend. so much Is. Look here and read it. What is it friend?
And what is difficult in this? Route No Dot Get The data object has no attributes. Gate Data Did you mean get data? So, of course We made a small spelling mistake.
C. Look here, I have made it D small.
I have. Let's just solve this one first.
We have solved this mistake of ours. Let's Run The Code. Everything is working perfectly Fine.
The code is solved. The code is short. every Things are going well. Left, Root, Right.
All the content is displayed accordingly. V Are supposed to take the screenshot. but from him First we have to enter our data. Right? Ah Yes. So, let's just do that first.
Let's close this one second. First, we take our Let's put this. put the request one I have.
No, first you have to enter the one with the request. Ok?
First put the one with the request. copy Evidence Document Come here. This inserted. Removed it. from italics Removed.
After this you people came here. Then your This one picked up Sara. Evidence Document Went to. This inserted. Copy from here from Itlex Removed. Enlarged the size. Now is your last It is a part. I moved some things around Maybe there are.
Isn't it?
Inside Part D, you were supposed to do the The in-order one. So let's look into that.
I changed the above values only.
Well, come on, let's not go into that.
So you have to do it properly here.
Now I have to sit and watch the whole thing.
Where have we made mistakes? So just up Put it down. Ok? So the code for the insert Put. Let's just do that, man. together Do it brother. No issue. Code with insert It is three part three C. Ok? is this We have put it. It's perfect. In this then No issue is arising. 3CI Okay That's Inside 3CI we were supposed to do the Where did we put the constructor part?
Gave?
Ok? We made a mistake here. Ok?
Let's just fix this quickly. Because Look, you can make this mistake too. So first Of all 3CI was related to the constructor.
Here we come because we did it wrong Neither did you solve the code, nor did you If you are not getting any benefit then first of all you Are you suppose to remove this? You have your correct one.
I have to add something 3CI What did you ask me after 3CI 3CI had to put a gate root node in this one You went to 3CI, here you entered your gate route.
I put a note because if I don't do it right I am telling you again that marks will not be of any use.
Some OK then 3C II with insert inside have to be inserted because the average document is the only document which is going to be graded otherwise every single thing is not Going to be graded here you come I have entered the insert code, now let's look.
Into 3CD What did he get done in D? Output It was made in order, let's copy it.
Let's go to the evidence document here now.
But we are doing our best in the right way We added the recursive code. make it bigger Did. That's done as well. after that Then inside DEI he asked you all this Got it made. So we picked this up.
Then came EI. Put it here. This Removed from italics. Enlarged the size. After That the last part is regarding your Screenshot. Ran the code. Screenshot taken traveled the world Congratulations on getting 75 out of 75 marks.
Have met. That's it we're done with the whole Paper? You guys are supposed to save this. Call Your Invigilator. You gave them money Are. If you understand, then call them and He said, brother, please look at this. I saved this Done. Where Am I Supposed to Save This? Do Verify it again and again. open it back up Check if it is saved correctly or not.
Save it. Open up everything and look at it Frequently. This is the most important thing. Complete Paper done, evidence document disappeared If you gave it then understand that you did not do anything. Zero Do you understand Marx? So please make sure That you guys are saving this properly your inside the folder. So that's it. All of these Files mean nothing. If your evidence If the document is empty. So if you code You are doing it in the evidence document If there is nothing then zero marks. Ok?
So that's it with the whole paper.
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