Submission #5189

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Source Code Expand

using System;

namespace AtCoder2
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			int read = Convert.ToInt32(Console.ReadLine());
			string r = Console.ReadLine();
			int st =  Convert.ToInt32(CutString(" ",r)[0]);
			int go =  Convert.ToInt32(CutString(" ",r)[1]);
			int[][] cs = new int[read][];
			for(int i = 0;i < read - 1;i++)
			{
				cs[i] = new int[2];
				string r2 = Console.ReadLine();
				cs[i][0] = Convert.ToInt32(CutString(" ",r2)[0]);
				cs[i][1] = Convert.ToInt32(CutString(" ",r2)[1]);
			}
			int now = st;
			string ro = st.ToString();
			for(int j = 0;j < read - 1;j++)
			{
				if(cs[j][0] > now)
				{
					ro = ro + "," + cs[j][0];
					now = cs[j][0];
				}
				else if(cs[j][1] < now)
				{
					ro = ro + "," + cs[j][1];
					now = cs[j][1];
				}
				else
				{
					ro = ro + "," + now;
				}
			}
			ro += "," + go;
			string[] hoge = CutString(",",ro);
			int[] co = new int[hoge.Length];
			for(int k = 0;k < hoge.Length;k++)
			{
				co[k] = Convert.ToInt32(hoge[k]);
			}
			int stackingH = 1;
			double length = 0;
			for(int m = 0;m < hoge.Length;m++)
			{
				if(m == 0)
				{
				}
				else
				{
					if(co[m] - co[m - 1] == 0)
					{
						stackingH++;
						if(m == hoge.Length - 1)
						{
							length = length + stackingH - 1;
						}
					}
					else
					{
						length = length + GetLongest(stackingH,GetZettaiti(co[m] - co[m - 1]));
						stackingH = 1;
					}
				}
			}
			Console.WriteLine(length);
		}
		static double GetLongest(int h,int w)
		{
			double l = Math.Pow(h,2) + Math.Pow(w,2);
			return Math.Sqrt(l);
		}
		static int GetZettaiti(int input)
        {
            int ret = 0;
            if (input > 0)
            {
                ret = input;
            }
            else if (input < 0)
            {
                ret = -input;
            }
            else
            {
                ret = 0;
            }
            return ret;
        }
		public static string[] CutString(string kugiri, string str)
        {
            str = str.Replace("\n", "").Replace("\r", "");
            string[] dem = { kugiri };
            string[] a = str.Split(dem, StringSplitOptions.RemoveEmptyEntries);
            return a;

        }
        
	}
}

Submission Info

Judge Result