백준 - 1001, 1001, 10998, 1008, 10869

https://www.acmicpc.net/step/1

입출력과 사칙연산 단계

1000  A+B

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int A = in.nextInt();
        int B = in.nextInt();

        System.out.println(A+B);

        in.close();
    }
}

---

1001  A-B

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int A = in.nextInt();
        int B = in.nextInt();

        System.out.println(A-B);

        in.close();
    }
}

 

---

10998  AxB

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int A = in.nextInt();
        int B = in.nextInt();

        System.out.println(A*B);

        in.close();
    }
}

---

1008  A/B

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner in=new Scanner(System.in);
		
		double a=in.nextDouble();
		double b=in.nextDouble();
		
		in.close();
		System.out.print(a/b);
    }
}

---

10869  사칙연산

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int A = in.nextInt();
        int B = in.nextInt();
        
        System.out.println(A+B);
        System.out.println(A-B);
        System.out.println(A*B);
        System.out.println(A/B);
        System.out.println(A%B);
        in.close();
    }
}