[JAVA] Code Up 기초 100제 (1012 ~ 1022)

# 1012

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        float f = sc.nextFloat();
        String str = String.format("%.6f", f);
        System.out.println(str);
    }
}

 

# 1013

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        System.out.println(a + " " + b);
    }
}

 

# 1014

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String chars = sc.nextLine();
        char[] charArr = chars.toCharArray();
        System.out.println(charArr[2] + " " + charArr[0]);
    }
}

 

# 1015

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        float f = sc.nextFloat();
        String str = String.format("%.2f", f);
        System.out.println(str);
    }
}

 

# 1017

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        System.out.println(n + " " + n + " " + n);
    }
}

 

# 1018

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String time = sc.nextLine();
        System.out.println(time);
    }
}

 

# 1019

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

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

        int[] dates = new int[3];
        int i = 0;
        while (token.hasMoreTokens()) {
            dates[i] = Integer.parseInt(token.nextToken());
            i += 1;
        }
        String year = String.format("%04d", dates[0]);
        String month = String.format("%02d", dates[1]);
        String day = String.format("%02d", dates[2]);

        System.out.println(year + "." + month + "." + day);
    }
}

 

# 1020

import java.util.Scanner;
import java.io.IOException;

public class Main {
    public static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
        String num = sc.nextLine();
        num = num.replace("-", "");
        System.out.println(num);
    }
}

 

# 1021

import java.util.Scanner;
import java.io.IOException;

public class Main {
    public static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
        String word = sc.nextLine();
        System.out.println(word);
    }
}

 

# 1022

import java.util.Scanner;
import java.io.IOException;

public class Main {
    public static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
        String word = sc.nextLine();
        System.out.println(word);
    }
}

 

코드업 기초 100제

문제집 / C언어 기초 100제