[브론즈 Ⅴ] 25304번 :: 영수증 / Java

 

 

 

 

문제

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

25304번: 영수증

 

 

 

 

 

코드

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int X = Integer.parseInt(br.readLine());
        int N = Integer.parseInt(br.readLine());
        StringTokenizer st;

        int sum = 0;
        for(int i=0; i<N; i++) {
            st = new StringTokenizer(br.readLine());
            int a = Integer.parseInt(st.nextToken());
            int b = Integer.parseInt(st.nextToken());
            sum += a*b;
        }

        System.out.println(X==sum ? "Yes" : "No");
    }
}