[Baekjoon] 25304 - 영수증

📝 문제

 

 

🔓 답안

import java.io.*;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        int X = Integer.parseInt(br.readLine());
        int N = Integer.parseInt(br.readLine());

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

        if(sum == X)
            bw.write("Yes" + "\n");
        else
            bw.write("No" + "\n");

        bw.flush();
        bw.close();
    }

}

 

 

🖤 알고리즘 분류

- 수학

- 구현

- 사칙연산