A+B for Input-Output Practice (II) java
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其实吧,这第二道题感觉也不是我写的啦,在第一道题的时候,百度了,看到有相关的,然后算是抄袭吧,哈哈哈,这第二道题是第一道题的进化版,循序渐进的题,还不错。他们写的也很不错。
题目详情:Your task is to Calculate a + b.
Input:Input contains an integer N in the first line, and then N lines follow. Each line consists of a pair of integers a and b, separated by a space, one pair of integers per line.
Output:For each pair of input integers a and b you should output the sum of a and b in one line, and with one line of output for each line in input.
Sample Input:
2
1 5
10 20
Sample Output:
6
30
代码如下:
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); while(n-->0){ int a = sc.nextInt(); int b = sc.nextInt(); System.out.println(a+b); } } }
其实while和for应该是相通的,可以试试for循环,这是我在写这篇文章的时候写的
代码如下:
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); for(int i=0;i<n;i++){ int a = sc.nextInt(); int b = sc.nextInt(); System.out.println(a+b); } } }
不过是第一段代码的时间比较短,空间也是第一段好。
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