C-Dynamic Memory Allocation

C Strings Programs

Difference Between Stack-Allocated and Heap-Allocated Arrays

Last Updated: 03 April 2024

In C/C++, arrays can be allocated in two areas of memory: the stack and the heap. Each has its own characteristics and use cases. In this ar ...read more

C++ Programs

How to Find Size of Dynamic Array in C?

CPP Examples

Last Updated: 11 March 2024

In C, dynamic memory allocation allows us to manage memory resources during the execution of a program. It’s particularly useful when deal ...read more

How to Create a Dynamic Array of Structs?

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Last Updated: 01 March 2024

In C, we have dynamic arrays in which we can allocate an array of elements whose size is determined during runtime. In this article, we will ...read more

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How to Dynamically Create Array of Structs in C?

Last Updated: 22 February 2024

In C, an array is a data structure that stores the collection of elements of similar types. Structs in C allow the users to create user-defi ...read more

C-Structure & Union

How to Initialize Array of Pointers in C?

Last Updated: 22 February 2024

Arrays are collections of similar data elements that are stored in contiguous memory locations. On the other hand, pointers are variables th ...read more

C-Pointers

What happens if we mix new and free in C++?

Last Updated: 22 October 2020

As we know that new is used to create memory dynamically and it is the programmer's responsibility to delete the memory location explicitly ...read more

C++

Common Memory/Pointer Related bug in C Programs

C++-new and delete

new and delete

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Last Updated: 01 October 2018

Dereferencing an unknown memory location : C programmers mostly use scanf() function to take input, but sometimes a small mistake can bring ...read more

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C | Dynamic Memory Allocation | Question 8

Last Updated: 08 August 2018

Consider the following program, where are i, j and k are stored in memory?[sourcecode language="C"]int i;int main(){ int j; int *k = ( ...read more

C | Dynamic Memory Allocation | Question 6

Last Updated: 28 June 2021

Which of the following is true?(A) "ptr = calloc(m, n)" is equivalent to following ptr = malloc(m * n);(B) "ptr = calloc(m, n)" is equivalen ...read more

C | Dynamic Memory Allocation | Question 3

Last Updated: 09 February 2013

Output?[tabby title="C"][sourcecode language="c"]# include# include void fun(int *a){ a = (int*)malloc(sizeof(int));} int main(){ int ...read more

C | Dynamic Memory Allocation | Question 2

Last Updated: 28 June 2021

Consider the following three C functions : [sourcecode language="C"][PI] int * g (void) { int x= 10; return (x); } [P2] int * g (void ...read more

C | Dynamic Memory Allocation | Question 1

Last Updated: 28 June 2021

The most appropriate matching for the following pairs (GATE CS 2000)X: m=malloc(5); m= NULL; 1: using dangling pointersY: free ...read more