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最新推荐文章于 2021-03-22 21:06:44 发布

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本文介绍了一道典型的输入输出练习题“A+B”的解题思路及实现代码。题目要求计算一组整数之和，并针对每组输入输出其总和。通过使用C++语言，采用循环结构读取输入并进行累加，最终输出结果。

A+B for Input-Output Practice (IV)

Problem Description
Your task is to Calculate the sum of some integers.

Input
Input contains multiple test cases. Each test case contains a integer N, and then N integers follow in the same line. A test case starting with 0 terminates the input and this test case is not to be processed.

Output
For each group of input integers you should output their sum in one line, and with one line of output for each line in input.

Sample Input
4 1 2 3 4
5 1 2 3 4 5
0

Sample Output
10
15

Author
lcy

解题思路
使用变量temp储存当前输入，而后累加。

#include<iostream>
using namespace std;
int main()
{
	int n, temp,ans;
	while (cin >> n && n!=0) {
		ans = 0;
		for (int i = 0; i < n; i++) {
			cin >> temp;
			ans += temp;
		}
		cout << ans<<endl;
	}
	return 0;
}