1.1.8 A+B for InputOutput Practice (VIII) 33.43%(3182,9517)

Problem Description

Your task is to calculate the sum of some integers.

Input

Input contains an integer N in the first line, and then N lines follow. Each line starts with a integer M, and then M integers follow in the same line.

Output

For each group of input integers you should output their sum in one line, and you must note that there is a blank line between outputs.

Sample Input

3
4 1 2 3 4
5 1 2 3 4 5
3 1 2 3

Sample Output

Author

lcy

Recommend

JGShining

#include<iostream>
using namespace std;
int main()
{
    int a,s,m,n;
    cin>>m;
    while(m){
        cin>>n;
        s=0;
        while(n){
            cin>>a;
            s+=a;
            n--;
        }
        if(m==1) 
            cout<<s<<endl;
        else
            cout<<s<<endl<<endl;
        m--;
    }
    return 0;
}