[JAVA] Code Up 기초 100제 (1023 ~ 1032)

# 1023

import java.util.Scanner;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String num = sc.nextLine();
        StringTokenizer token = new StringTokenizer(num, ".");

        int[] nums = new int[2];
        int i = 0;
        while (token.hasMoreTokens()) {
            nums[i] = Integer.parseInt(token.nextToken());
            i += 1;
        }
        String front = String.format("%d", nums[0]);
        String back = String.format("%d", nums[1]);

        System.out.println(front);
        System.out.println(back);
    }
}

 

# 1024

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String word = sc.nextLine();
        char[] arrWord = word.toCharArray();
        for (int i = 0; i < arrWord.length; i++) {
            System.out.println("\'"+arrWord[i]+ "\'");
        }
    }
}

 

# 1025

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String num = sc.nextLine();
        char[] numArr = num.toCharArray();
        System.out.println("[" + numArr[0] + "0000" + "]");
        System.out.println("[" + numArr[1] + "000" + "]");
        System.out.println("[" + numArr[2] + "00" + "]");
        System.out.println("[" + numArr[3] + "0" + "]");
        System.out.println("[" + numArr[4] + "]");
    }
}

 

# 1026

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String date = sc.nextLine();
        String[] dateArr = date.split("\\:");
        int minutes = Integer.parseInt(dateArr[1]);

        System.out.println(minutes);
    }
}

 

# 1027

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String date = sc.next();
        String[] dateArr = date.split("\\.");

        System.out.println(dateArr[2] + "-" + dateArr[1] + "-" + dateArr[0]);
    }
}

 

# 1028

import java.util.*;

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

        System.out.println(num);
    }
}

 

# 1029

import java.util.*;

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

        System.out.println(String.format("%.11f", num));
    }
}

 

# 1030

import java.util.*;

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

        System.out.println(num);
    }
}

 

# 1031

import java.util.*;

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

        System.out.println(numOctal);
    }
}

 

# 1032

import java.util.*;

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

        System.out.println(numOctal);
    }
}

 

코드업 기초 100제

문제집 / C언어 기초 100제