Q&A Discussions

What is dynamic memory allocation??

25th Jul 2018, 3:13 PM

Sayan Kundu

1 Vote

Why dereference doesnt work with addresses directly?

25th Oct 2016, 9:23 PM

Mayank Kumar

1 Vote

3rd Jan 2017, 7:07 PM

Mourya Karan

Find the output

1 Vote

How am I still able to access the value?

18th Jul 2019, 2:44 PM

Vineet Joshi

c++delete pointers

2 Votes

Can a function return a pointer variable

24th Sep 2020, 6:21 PM

OfcourseitsRohit

c++functions pointers

5 Votes

19th Nov 2016, 4:01 PM

Tarun Sharma

Use of pointer?

c++pointer pointers

1 Vote

Anyone explain the output of my code. Thank you

10th Feb 2021, 6:15 PM

Yash Mayank

allocation c++dynamic pointers

0 Votes

7 Answers

26th Jun 2021, 3:11 AM

Rishi

Local variable goes out of scope and memory isnt released

c++memory pointers

0 Votes

Difference between * and & ...

22nd Sep 2019, 6:35 PM

Denomycor

2 Votes

cout<<p<<endl; output-0x29fee8 how?

20th Feb 2017, 7:25 AM

Arun

1 Vote

What does this line mean?!

19th Jun 2016, 1:41 AM

Muskan gupta

1 Vote

explain what exactly a pointer do?

28th May 2017, 5:53 PM

Souvik Chatterjee

1 Vote

What is the problem of this program for give me the length of this string ch

8th Oct 2016, 3:40 AM

Samarth Madan

1 Vote

Which is more optimum using an multidimensional array like. int arr[100][100]; or pointer to pointer like int **arr; with molloc

11th Apr 2019, 9:43 PM

Dhai Zeiri

0 Votes

Does Int* p and int *p 2 different things?

24th Jan 2021, 2:14 PM

Vaibhav

1 Vote

I can't understand the use of pointers..... What is their use

12th Feb 2017, 5:04 PM

Krishan Nandan Goswami

1 Vote

arrays pointers self-learning

2nd Dec 2016, 12:43 PM

Dhairya Jain

Question about a code

2 Votes

7 Answers

8th Jun 2017, 2:13 AM

21kHzBANK21kHZ

C++ challenge question not clear

c++challenge pointers

0 Votes

18th May 2019, 11:34 AM

Alfredo Caroli

Pointer and array

0 Votes

void swap (int *num1, int *num2); van someone explain about this"swap"?

16th Apr 2020, 4:06 PM

VISHAL JAYMANGAL DEDAVAT

0 Votes

Please illustrate me the concept of call by value and call by refrence

22nd Apr 2020, 2:43 AM

narthana wickramasinghe

2 Votes

what is the most important point in C++?

4th Feb 2017, 6:05 AM

Ashutosh Saraf

2 Votes

Why my code gives error when i replace these hex number by q ? If address of a pointer is in hex then it should work.

11th Nov 2016, 11:09 PM

Shir Hussain

1 Vote

Can anyone help me out please?

24th May 2020, 8:43 PM

Shubham Maurya

c pointers struct

1 Vote

What is the difference between using string type and char[] type to store a name?

12th Jun 2019, 6:38 AM

Sandesh Dinkar

array c++pointers string

2 Votes

9 Answers

2nd Aug 2020, 3:12 AM

Prashant Pant

Hi guys i need to delete item from arra and print new array, what wrong?

arraylist arrays loops pointers

0 Votes

9 Answers

7th Jul 2021, 8:42 PM

Olka Berkovich

Write a program to find biggest among three numbers using pointer.

0 Votes

why is the answer 17 in the following code

20th Oct 2019, 10:34 PM

Mr. Pekka

1 Vote

26th Mar 2017, 11:52 AM

Splndid Nrzy

C pointer

0 Votes

12th Feb 2019, 6:12 PM

Jordan

C++

1 Vote

Hello good morning/afternoon/evening ,

6th Apr 2019, 4:34 AM

Svojas Pitale

cpp pointers

0 Votes

Reading the value of a pointer from a function

12th May 2022, 1:17 PM

Abhay mishra

c functions pointers

0 Votes

Why value of a doesn't change in this code?

15th Dec 2019, 7:16 PM

mel1705

help pointers swaping

0 Votes

Can anyone explain. Me about pointers?? Challenge

7th Jan 2021, 5:10 AM

Rishab Sharma

c++pointers worried

4 Votes

30th May 2017, 7:41 PM

Faraz Anwar

What is double pointers?

c++double pointers

0 Votes

could someone tell me why would the result of *p=*p+4 eqal to 17 ????!!! help

17th Oct 2019, 4:12 PM

#ArizmaAltair PATHAN

c++help pointers

1 Vote

7 Answers

26th Dec 2017, 9:14 AM

RiGeL

How to set values in an array cell in a heap?

0 Votes

General pointer question?

8th Jun 2019, 10:07 AM

Cric Hadaw

2 Votes

15th Jul 2017, 5:48 AM

Vignesh r

function declaration

array cpp function logic pointers prototyping to

21 Votes

6 Answers

15th Jun 2019, 9:05 AM

Night_fury~

Output of C++ code

c c++pointers

2 Votes

find distance between two points. Use the function DISTANCE to calculate distance between three set of points and triangle area

27th Jul 2020, 9:29 PM

Edward Finkelstein

c functions pointers

1 Vote

[CLOSED] Does Polymorphism Require Pointers?

4th Nov 2019, 12:31 PM

Mustafa Esoofally

c++classes pointers polymorphism

2 Votes

What's the difference bewteen an obejct and a variable?

31st Aug 2019, 12:20 PM

UrBoyO

0 Votes

How to assign a pointer to function?

14th Feb 2019, 5:11 AM

Manav Malhotra

functions pointers

3 Votes

why did the main pointer display 1? What this means?

3rd Mar 2017, 7:34 AM

jolly

0 Votes

In a linked list, if p is the pointer used to traverse in the list then what is the difference between p==NULL &p->link==NULL?

11th Oct 2018, 8:40 PM

MakarovDs

linkedlist pointers

1 Vote

why this small code is not working?

25th Dec 2019, 7:25 AM

Rahul Kashyap

add c pointers sum

5 Votes

swap variable values with pointer

9th Jan 2019, 6:06 AM

Ahmad Ali

c++int pointers

0 Votes