ECNU ||庙会

代码

import java.util.Scanner;
import java.util.LinkedList;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int m = sc.nextInt();
        int n = sc.nextInt();
        int k = sc.nextInt();
        LinkedList<Integer> a = new LinkedList<Integer>();
        LinkedList<Integer> b = new LinkedList<Integer>();
        for(int i = 1; i <= m; i++){
            a.add(i);
        }
        for(int i = 1; i <= n; i++){
            b.add(i);
        }
        while(k--!=0){
            int x = a.poll();
            int y = b.poll();
            System.out.println(x+" "+y);
            a.add(x);
            b.add(y);
            
        }
    }
}

知识

⭐上转型

Queue a = new LinkedList();