A+B for Input-Output Practice (IV)

解题思路:

注意事项:

参考代码:

#include<iostream>

using namespace std;

int main()

{

int a, b,sum=0;

while (cin >> a && a)

{

for (;a>0; a--)

{

cin >> b;

sum += b;

}

cout << sum << endl;

sum = 0;

}

return 0;

}