Question

How to allocate memory for int array and set the memory to zero in C

Answer 1

#include <stdio.h>
#include <stdlib.h>

#define SIZE 10

int main() {
    int *arr = (int *)calloc(SIZE, sizeof(int));
	
	arr[0] = 000;
	arr[1] = 11111;
	arr[3] = 3333;
  
	for (int i = 0; i < SIZE; i++)
		printf("%d\n", arr[i]);
	
	free(arr);
      
    return 0;
}
  
  
  
/*
run:
  
0
11111
0
3333
0
0
0
0
0
0
 
*/

 

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