题解 | #求最小公倍数# 智障解法

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();
            System.out.println(gongbeishu(a, b));
        }
    }

    private static int gongbeishu(int a, int b) {
        if (a == b) {
            return a;
        }
        int largeNum;
        int smallNum;
        if (a > b) {
            largeNum = a;
            smallNum = b;
        } else {
            largeNum = b;
            smallNum = a;
        }
        int result = largeNum;
        int k = 1;
        while (result % smallNum != 0) {
            result = largeNum * k;
            k++;
        }
        return result;
    }
}