A+B for Input-Output Practice (VIII)

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概述

http://acm.hdu.edu.cn/showproblem.php?pid=1096

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

10

15

6

-----------------------------------------

 1 #include <iostream>
 2 using namespace std;
 3 int main()
 4 {
 5
int m,n,a,s;
 6
cin >> m;
 7
for (int i=1;i<=m;i++)
 8 
{
 9
cin >> n;
10
s=0;
11
for (int j=1;j<=n;j++)
12 
{
13
cin >> a;
14
s+=a;
15 
}
16
if (i!=m)
17
cout << s << endl << endl;
18
else
19
cout << s << endl;
20 
}
21
return 0;
22 }