Toph-Light The Candle

#include<stdio.h>
int main()
{
    int i,n,m,k,s,r;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&m);
        r=0;
        for(k=1;k<=m;k++)
        {
            scanf("%d",&s);
            r+=s;
        }
        printf("%d\n",r);
    }
}