1D-Array-in-C.c

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

int main() {
    int n=0,a=0,sum=0,i=0;
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */    
    scanf("%d",&n);
    int* arry=(int*)malloc(n*sizeof(int));
    
    while(a<n)
    {
        scanf("%d",&arry[a]);
    sum=sum+arry[a];
        a++;
    }
    free(arry);
    printf("%d",sum);
    return 0;
}