A+B for Input-Output Practice (VI)(java)

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本文详细解析了一个常见的编程练习题“A+B”，题目要求计算一组整数的总和。输入包含多个测试案例，每个案例由一个整数N开始，随后是N个待求和的整数。输出为每组输入的整数之和。文章提供了Java实现代码，通过读取标准输入，计算并打印出每组输入的和。

A+B for Input-Output Practice (VI)

Time Limit: 1000 ms Memory Limit: 65536 KiB

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Problem Description

Your task is to calculate the sum of some integers.

Input

Input contains multiple test cases, and one case one line. Each case starts with an integer N, and then N integers follow in the same line.

Output

For each test case you should output the sum of N integers 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

Sample Output

10
15

Hint

Source

HDOJ

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner in = new Scanner(System.in);
		while(in.hasNext())
		{
        int n=in.nextInt();
        int sum=0;
        for(int i=0;i<n;i++)
        {
        	int x=in.nextInt();
           sum+=x;
        }
        System.out.println(sum);
       }
	}
}