[백준] 25304번 : 영수증 - Java

https://www.acmicpc.net/problem/25304

25304번: 영수증

 

풀이

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
		
        Scanner sc = new Scanner(System.in);
        int total = sc.nextInt();
        int count = sc.nextInt();
        
        for(int i = 0; i < count; i++) {
            int price = sc.nextInt();
            int num = sc.nextInt();
            total -= (price * num);
        }
        
        if(total == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
}