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자바민국/과제


1. 1회차

* 과제 : 맥주 99병 문제 풀기

1.1. 박인서

여기에 코드를 입력해주세요.

1.2. 송정우

여기에 코드를 입력해주세요.

1.3. 이승찬

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();

        for(int nowNum = num; nowNum > 0; nowNum--) {
            String nowSingularOrPlural = nowNum == 1 ? "" : "s";
            String nextSingularOrPlural = (nowNum - 1) == 1 ? "" : "s";
            String numOfNextBottles = (nowNum - 1) != 0 ? Integer.toString(nowNum - 1) : "no more";

            System.out.println(
              nowNum + " bottle" + nowSingularOrPlural + " of beer on the wall, " + nowNum + " bottle" + nowSingularOrPlural + " of beer.\n"
              + "Take one down and pass it around, " + numOfNextBottles + " bottle" + nextSingularOrPlural + " of beer on the wall.\n"
            );
        }
        System.out.print(
          "No more bottles of beer on the wall, no more bottles of beer.\n" +
          "Go to the store and buy some more, "+ num + " bottle" + (num == 1 ? "" : 's') +" of beer on the wall."
        );
    }
}

1.4. 정우현

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        int drink, drank, i;
        Scanner scanner = new Scanner(System.in);

        String input = scanner.nextLine();
        int number = Integer.parseInt( input ); 



        for(i = number; i > 1; i--){
            drink = i;
            drank = i-1;

            System.out.println(i + " bottles of beer on the wall, " + i + " bottles of beer.");

            if(drank > 1){
                System.out.println( "Take one down and pass it around, " + (i - 1) + " bottles of beer on the wall.");
            } else if(drank == 1){
                System.out.println( "Take one down and pass it around, " + (i - 1) + " bottle of beer on the wall.");
            }
            System.out.println();
        }

        System.out.println(i + " bottle of beer on the wall, " + i + " bottle of beer.");
        System.out.println("Take one down and pass it around, no more bottles of beer on the wall."); 
        System.out.println();

        System.out.println("No more bottles of beer on the wall, no more bottles of beer.");

        if(number > 1){
            System.out.println("Go to the store and buy some more, "+ number +" bottles of beer on the wall.");
        } else if (number == 1){
            System.out.println("Go to the store and buy some more, "+ number +" bottle of beer on the wall.");

        }
    }

}

1.5. 이호민

import java.util.*;

public class Main {
    public static void main(String args[]){
        Scanner sc = new Scanner(System.in);
        int n;
        n=sc.nextInt();
        for(int i=n; i>0;){
            System.out.printf(i + " bottle" + (i==1?"":"s") + " of beer on the wall, " + i + " bottle" + (i--==1?"":"s") + " of beer.\n");
            if(i==0) System.out.printf("Take one down and pass it around, no more bottles of beer on the wall.\n\n");
            else System.out.printf("Take one down and pass it around, " + i + " bottle" + (i==1?"":"s") + " of beer on the wall.\n\n");
        }
        System.out.printf("No more bottles of beer on the wall, no more bottles of beer.\n" +
                "Go to the store and buy some more, " + n + " bottle" + (n==1?"":"s") + " of beer on the wall.");
    }
}

1.6. 김유현

import java.util.*;
public class Main{
	public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
		int input;
        String l3;
		input = sc.nextInt();
        for(int i=input;i>0;i--){
            String l1,l2;
            l1=i+" bottles of beer";
            l2=i-1+" bottles of beer";
            if(i==2)
               l2="1 bottle of beer";
            else if(i==1){
                l1="1 bottle of beer";
                l2="no more bottles of beer";
            }
            System.out.println(l1+" on the wall, "+l1+".");
            System.out.println("Take one down and pass it around, "+l2+" on the wall.\n");
        }
        l3=input+" bottles of beer";
        if(input==1)
            l3="1 bottle of beer";
		System.out.println("No more bottles of beer on the wall, no more bottles of beer.");
	    System.out.println("Go to the store and buy some more, "+l3+" on the wall.");
    }
}

1.7. 좌민주

여기에 코드를 입력해주세요.

import java.util.Scanner;

public class Main{
    public static void main(String[] args){ 
        Scanner scanner = new Scanner(System.in);

        int num = scanner.nextInt();
        int beer = 0;
        
//노래 시작
        for ( beer = num ; beer > 0; beer--) {

           if (beer == 1) {
//맥주가 1개 남았을 때
                System.out.println( beer + " bottle of beer on the wall, " + beer +" bottle of beer." + "\n" +
                "Take one down and pass it around, no more bottles of beer on the wall.");
                System.out.println();
            } else {
//맥주가 1개이상 남았을 때
                if (beer == 2) {
                    System.out.println( beer + " bottles of beer on the wall, " + beer +" bottles of beer." + "\n" +
                    "Take one down and pass it around, " + (beer - 1) + " bottle of beer on the wall.");
                } else {
                     System.out.println( beer + " bottles of beer on the wall, " + beer +" bottles of beer." + "\n" +
                    "Take one down and pass it around, " + (beer - 1) + " bottles of beer on the wall.");
                }
                System.out.println();
            }
        }
//맥주가 없을 때
        if(num == 1){
           System.out.println( "No more bottles of beer on the wall, no more bottles of beer." + "\n" +
           "Go to the store and buy some more, " + num + " bottle of beer on the wall.");
        } else {
           System.out.println( "No more bottles of beer on the wall, no more bottles of beer." + "\n" +
           "Go to the store and buy some more, " + num + " bottles of beer on the wall.");
        }
          
    }
}

2. 3회차

* 과제 : if 3 문제 풀기

2.1. 박인서

여기에 코드를 입력해주세요.

2.2. 송정우

여기에 코드를 입력해주세요.

2.3. 이승찬

여기에 코드를 입력해주세요.

2.4. 정우현

여기에 코드를 입력해주세요.

2.5. 이호민

여기에 코드를 입력해주세요.

2.6. 김유현

여기에 코드를 입력해주세요.

2.7. 좌민주

여기에 코드를 입력해주세요.
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