2021-10-27

✍쪠와 함께 하루에 30분 이상 시작✨

💻 입출력과 사칙연산

1000, 1001, 10998

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

1008

import java.util.Scanner;

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

10869

import java.util.Scanner;

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

10430

import java.util.Scanner;

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

2588번

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%10));
		System.out.println(a*(b%100/10));
		System.out.println(a*(b/100));
		System.out.println(a*b);
		
	}
}

(●'◡'●) 오늘 기억해야 할 것 ╰(°▽°)╯

scanner클래스

✍
Scanner클래스는 콘솔로부터 기본 타입의 값을 바로 읽을 수 있다.

Scanner scanner = new Scanner(System.in);