Question

How to create an array using malloc in C

Answer 1

#include <stdio.h>
#include <stdlib.h>
   
int main() {
     
    int size = 10;
 
    int *arrp = (int*)malloc(size * sizeof(int));
    
    if (arrp == NULL) {
        return -1;
    }
 
    for (int i = 0; i < size; i++) {
        arrp[i] = i * 2;
    }
     
    for (int i = 0; i < size; i++) {
        printf("%i ", arrp[i]);
    }
 
    free(arrp);
      
    return 0;
}
    
    
    
/*
run:
    
0 2 4 6 8 10 12 14 16 18 
  
*/

 

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