A+B for Input-Output Practice

解题思路:

注意事项:

参考代码:

#include<iostream>

using namespace std;

int main()

{

int a, b,c,sum=0;

cin >> c;

while (c--)

{

cin >> a;

for (;a>0; a--)

{

cin >> b;

sum += b;

}

cout << sum << endl;

cout << endl;

sum = 0;

}

return 0;

}