A+B for Input-Output Practice (V)

A+B for Input-Output Practice (V)

#include<stdio.h>
int main()
{
int T,M,sum,a;
scanf("%d",&T);
while(T--)
{
sum=0;
scanf("%d",&M);
while(M--)
{
scanf("%d",&a);
sum+=a;
}
printf("%d\n",sum);
}
return 0;
}