第9回オフラインリアルタイムどう書くの解答 問題はこれ http://nabetani.sakura.ne.jp/hena/ord9busfare/

CalcUnchin.cs

using System;
using System.Text.RegularExpressions;

namespace yhpg9
{
  public class MyClass
	{
		public MyClass ()
		{
		}

	    public decimal CalcUnchin (string Inputs)
		{
			MatchCollection payMatchs = Regex.Matches (Inputs, "[0-9]+:");
			decimal pay = 0;
			foreach (Match payItem in payMatchs) {
				pay += Convert.ToDecimal(payItem.Value.Replace(":", ""));
			}

			MatchCollection personMatchs = Regex.Matches (Inputs, "[A-Za-z]{2}");
			decimal payAll = 0;
			int youjiNormal = 0;
			int youjiTeiki = 0;
			int youjiFukushi = 0;
			int otonaCount = 0;

			foreach (Match person in personMatchs) {
				decimal personPay = pay;
				string personStr = person.Value;
				string personType = personStr.Substring (0, 1);
				string payType = personStr.Substring (1, 1);

				if (personType == "I")
				{
					switch (payType) {
					case "w":
						youjiFukushi++;
						continue;
					case "p":
						youjiTeiki++;
						continue;
					default :
						youjiNormal++;
						continue;
					}
				}

				if (personType == "C")
				{
					personPay = (Math.Ceiling(personPay / 10 / 2)) * 10;
				}

				if (personType == "A")
				{
					otonaCount++;
				}

				switch (payType) {
				case "w":
					personPay = (Math.Ceiling(personPay / 10 / 2))* 10;
					break;
				case "p":
					personPay = 0;
					break;
				default:
					break;
				}
				payAll += personPay;
			}

			int youjiCount = 0;
			decimal youjiPay = (Math.Ceiling(pay / 10 / 2))* 10;
			decimal fukushiYoujiPay = (Math.Ceiling(youjiPay / 10 / 2)) * 10;

			if (youjiNormal > otonaCount) {
				int payedYouji = youjiNormal - 2 * otonaCount;
				payAll += payedYouji * youjiPay;
			}
			youjiCount += youjiNormal;

			if (youjiCount > 2 * otonaCount) {
				payAll += youjiFukushi * fukushiYoujiPay;
			} else if (youjiCount + youjiFukushi > 2 * otonaCount) {
				youjiCount += youjiFukushi;
				int payedYouji = youjiCount - 2 * otonaCount;
				payAll += payedYouji * fukushiYoujiPay;
			}
			return payAll;
		}
	}
}

Test.cs

using System;
using NUnit.Framework;
using System.Collections.Generic;

namespace yhpg9
{
  [TestFixture()]
	public class Test
	{
		[Test()]
		public void TestCase ()
		{
			MyClass myClass = new MyClass ();
			Dictionary<string,string> testCases = TestCases ();
			foreach (KeyValuePair<string,string> testCase in testCases) {
				decimal result = myClass.CalcUnchin(testCase.Key);
				Assert.AreEqual(Convert.ToDecimal(testCase.Value),result,"Wrong :" + testCase.Key);     
				Console.WriteLine(String.Concat(testCase.Key, " : ", result.ToString()));
			}
		}

	    Dictionary<string,string> TestCases()
		{
			Dictionary<string,string> test = new Dictionary<string, string>();
			test.Add("210:Cn,In,Iw,Ap,Iw","170");
			test.Add("220:Cp,In","110");
			test.Add("230:Cw,In,Iw","240");
			test.Add("240:In,An,In","240");
			test.Add("250:In,In,Aw,In","260");
			test.Add("260:In,In,In,In,Ap","260");
			test.Add("270:In,An,In,In,Ip","410");
			test.Add("280:Aw,In,Iw,In","210");
			test.Add("200:An","200");
			test.Add("210:Iw","60");
			test.Add("220:Ap","0");
			test.Add("230:Cp","0");
			test.Add("240:Cw","60");
			test.Add("250:In","130");
			test.Add("260:Cn","130");
			test.Add("270:Ip","0");
			test.Add("280:Aw","140");
			test.Add("1480:In,An,In,In,In,Iw,Cp,Cw,In,Aw,In,In,Iw,Cn,Aw,Iw","5920");
			test.Add("630:Aw,Cw,Iw,An,An","1740");
			test.Add("340:Cn,Cn,Ip,Ap","340");
			test.Add("240:Iw,Ap,In,Iw,Aw","120");
			test.Add("800:Cw,An,Cn,Aw,Ap","1800");
			test.Add("1210:An,Ip,In,Iw,An,Iw,Iw,An,Iw,Iw","3630");
			test.Add("530:An,Cw,Cw","810");
			test.Add("170:Aw,Iw,Ip","90");
			test.Add("150:In,Ip,Ip,Iw,In,Iw,Iw,In,An,Iw,Aw,Cw,Iw,Cw,An,Cp,Iw","580");
			test.Add("420:Cn,Cw,Cp","320");
			test.Add("690:Cw,In,An,Cp,Cn,In","1220");
			test.Add("590:Iw,Iw,Cn,Iw,Aw,In,In,Ip,Iw,Ip,Aw","1200");
			test.Add("790:Cw,Cn,Cn","1000");
			test.Add("1220:In,In,An,An,In,Iw,Iw,In,In,Ip,In,An,Iw","4590");
			test.Add("570:Cw,Cn,Cp","440");
			test.Add("310:Cn,Cw,An,An,Iw,Cp,Cw,Cn,Iw","1100");
			test.Add("910:Aw,In,Iw,Iw,Iw,Iw,Iw,An,Cw,In","2290");
			test.Add("460:Iw,Cw,Cw,Cn","590");
			test.Add("240:Iw,Iw,In,Iw,In,In,Cn,In,An","780");
			test.Add("1240:In,In,In,Ap,In,Cw,Iw,Iw,Iw,Aw,Cw","2170");
			test.Add("1000:Iw,Ip,In,An,In,In,In,An,In,Iw,In,In,Iw,In,Iw,Iw,Iw,An","5500");
			test.Add("180:In,Aw,Ip,Iw,In,Aw,In,Iw,Iw,In","330");
			test.Add("440:In,Ip,Cp,Aw,Iw,In,An","660");
			test.Add("1270:Ap,In,An,Ip,In,Ip,Ip","1270");
			return test;
		}
	}
}