题解 | #简单运算#
简单运算
https://www.nowcoder.com/practice/6817945637dd4a31811d38313653e967
还是不明白为什么要置换a和b的值 import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 while (in.hasNextInt()) { // 注意 while 处理多个 case int a = in.nextInt(); int b = in.nextInt(); // Scanner.close(); if(a<b) a=a+b-(b=a); System.out.printf("%d %d %d %d %d",a+b, a-b,a*b, a/b,a%b); // int he = a + b; // int cha = a - b; // int cheng =a * b; // int chu = a/b; // int mo = a%b; // System.out.println(he+ " " + cha + " " + cheng + " " + chu + " " + mo); } } }