HackerRank C- Simple Array Sum

Complete the simpleArraySum function in the editor below. It must return the sum of the array elements as an integer.

simpleArraySum has the following parameter(s):

ar: an array of integers

#include<stdio.h>
main()
{
    int n,i,sum=0;
    scanf("%d",&n);
    int a[n];
    for(i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
        sum=sum+a[i];
        
    }
    printf("%d",sum);
}