C#) [BOJ] 10822 더하기

10822번: 더하기 (acmicpc.net)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;

namespace _230120_1
{
    class Program
    {
        static void Main(string[] args)
        {
            StreamReader sr = new StreamReader(Console.OpenStandardInput());
            StreamWriter sw = new StreamWriter(Console.OpenStandardOutput());
            StringBuilder sb = new StringBuilder();

            sb.Append(sr.ReadLine());

            string[] str = sb.ToString().Split(',');
            int sum = 0;
            for(int i = 0; i < str.Length; i++)
            {
                sum += int.Parse(str[i]);
            }

            sw.WriteLine(sum);            

            sr.Close();
            sw.Flush();
            sw.Close();

        }
    }
}

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