자바 6주차

2739번: 구구단

package study;

import java.util.Scanner;

public class Hello {
	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		
		int A = in.nextInt();
		
		for (int i = 1; i < 10; i++)
		{
			System.out.println(A + " " + " * "+ " " + i + " "+ " = " + " " + A * i);
		}  // 공백 입력과 +로 문장 입력함
	}
}

25304번: 영수증

package study;

import java.util.Scanner;

public class Hello {
	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		
		int A = in.nextInt();
		int B = in.nextInt();
		int sum = 0;
		
		for (int i = 0; i < B; i++)
		{
			int C = in.nextInt();
			int D = in.nextInt();
			sum += C * D;
		}
		
		if (A == sum)
			System.out.println("Yes");
		else
			System.out.println("NO");
	}
}