洛谷入门题P1000、P1001、P1421、P1425题解（Java语言描述）

P1000题目要求

P1000题目链接

P1000题解

public class Main {
    public static void main(String[] args) {
        System.out.println("                ********\r\n" + 
                "               ************\r\n" + 
                "               ####....#.\r\n" + 
                "             #..###.....##....\r\n" + 
                "             ###.......######              ###            ###\r\n" + 
                "                ...........               #...#          #...#\r\n" + 
                "               ##*#######                 #.#.#          #.#.#\r\n" + 
                "            ####*******######             #.#.#          #.#.#\r\n" + 
                "           ...#***.****.*###....          #...#          #...#\r\n" + 
                "           ....**********##.....           ###            ###\r\n" + 
                "           ....****    *****....\r\n" + 
                "             ####        ####\r\n" + 
                "           ######        ######\r\n" + 
                "##############################################################\r\n" + 
                "#...#......#.##...#......#.##...#......#.##------------------#\r\n" + 
                "###########################################------------------#\r\n" + 
                "#..#....#....##..#....#....##..#....#....#####################\r\n" + 
                "##########################################    #----------#\r\n" + 
                "#.....#......##.....#......##.....#......#    #----------#\r\n" + 
                "##########################################    #----------#\r\n" + 
                "#.#..#....#..##.#..#....#..##.#..#....#..#    #----------#\r\n" + 
                "##########################################    ############");

    }
    
}

P1001题目要求

P1001题目链接

P1001题解

import java.io.*;
import java.util.*;
public class Main {
    public static void main(String args[]) throws Exception {
        Scanner scanner=new Scanner(System.in);
        int a = scanner.nextInt(), b = scanner.nextInt();
        System.out.println(a+b);
        scanner.close();
    }
}

P1421题目要求

P1421题目链接

P1421题解

import java.util.Scanner;

public class Main {
    public static void main(String args[]) throws Exception {
        Scanner scanner = new Scanner(System.in);
        int a = scanner.nextInt(), b = scanner.nextInt();
        if (a=0) {
            int c = (int) (a*10 + b)/19;
            System.out.println(c);
        }
        scanner.close();  
    }
}

P1425题目要求

P1425链接

P1425题解

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt(), b = scan.nextInt(), c = scan.nextInt(), d = scan.nextInt();
        int e = c - a, f = d - b;
        if (f