백준 25304번: 영수증

using System;

class Program
{
    static void Main(string[] args)
    {
        string stringTotalX = Console.ReadLine();
        string stringTotalN = Console.ReadLine();

        int totalX = System.Convert.ToInt32(stringTotalX);
        int totalNumber = System.Convert.ToInt32(stringTotalN);
        int totalWon = 0;

        for (int i = 0; i < totalNumber; i++)
        {
            string stringProducts = Console.ReadLine();
            string[] stringInput = stringProducts.Split(' ', StringSplitOptions.None);
            int won = System.Convert.ToInt32(stringInput[0]);
            int number = System.Convert.ToInt32(stringInput[1]);
            totalWon += won * number;
        }

        if (totalX == totalWon)
        {
            Console.WriteLine("Yes");
        }
        else
        {
            Console.WriteLine("No");
        }
    }
}

 

문제 출처

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

25304번: 영수증