malloc array

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

int main() {
    int x;
    printf("Enter int: ");
    scanf("%d",&x);
    printf("Allocating an int array of length: %d\n",x);
    int * pX = malloc(x*sizeof(int));
    printf("Freeing the int array. Some languages do this automatically!\n");
    free(pX);
    return 0;
}