[BOJ C#] 1085 직사각형에서 탈출

using System;
using System.IO;

namespace _1085
{
    class Program
    {
        static void Main()
        {
            StreamReader sr = new StreamReader(Console.OpenStandardInput());
            StreamWriter sw = new StreamWriter(Console.OpenStandardOutput());

            string[] arrString = sr.ReadLine().Split(' ');

            int x = int.Parse(arrString[0]);
            int y = int.Parse(arrString[1]);
            int w = int.Parse(arrString[2]);
            int h = int.Parse(arrString[3]);

            int minX = x < (w - x) ? x : (w - x);
            int minY = y < (h - y) ? y : (h - y);

            int min = minX<minY?minX:minY;

            sw.WriteLine(min);

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

        }
    }
}