using UnityEngine;
using System.Collections;
 
public class Ayumegu {
 
	public int[] dna;
	public int score;
 
	public Ayumegu()
	{
		dna = new int[ExampleTest.QUESTION_COUNT];
		for(int i = 0; i < ExampleTest.QUESTION_COUNT; i++)
		{
			dna[i] = Random.Range(0, 3);
		}
	}
 
 
	public string GetDNA()
	{
		string str = "";
		for(int i = 0; i < ExampleTest.QUESTION_COUNT; i++)
		{
			str += dna[i].ToString();
		}
		return str;
	}
 
	public void SetDNA(string str)
	{
		dna = new int[ExampleTest.QUESTION_COUNT];
		for(int i = 0; i < ExampleTest.QUESTION_COUNT; i++)
		{
			dna[i] = int.Parse(str.Substring(i, 1));
		}
	}
}

using UnityEngine;
using System.Collections;
 
public class ExampleTest{
 
	public const int QUESTION_COUNT = 10;		// 問題の数
	public int[] result;						// 解答
 
	public ExampleTest()
	{
		// テストの解答　ランダムでもなんでも　０〜２までの数字を入れる
		result = new int[]{1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
	}
 
	public int GetScore(int[] answerList)
	{
		int score = 0;
		for(int i = 0; i < QUESTION_COUNT; i++)
		{
			if(result[i] == answerList[i])
			{
				score += 1;
			}
		}
		return score;
	}
 
}

 
using UnityEngine;
using System.Collections;
using System.Collections.Generic;
 
public class GATest : MonoBehaviour {
 
	public const int AYUMEGU_COUNT = 10;
	public List<Ayumegu> ayumeguList;
	public ExampleTest test;
	public int count = 0;
 
	void Start () {
		test = new ExampleTest();
		ayumeguList = new List<Ayumegu>();
		for(int i = 0; i < AYUMEGU_COUNT; i++)
		{
			ayumeguList.Add (new Ayumegu());
		}
 
		Test();
	}
 
	// テストを受けます
	public void Test()
	{
		for(int i = 0; i < AYUMEGU_COUNT; i++)
		{
			ayumeguList[i].score = test.GetScore(ayumeguList[i].dna);
		}
		Next();
	}
 
	// 結果をもとに点数の悪い子には出て行ってもらいます
	public void Next()
	{
		ayumeguList.Sort(delegate(Ayumegu dna1, Ayumegu dna2){ return dna1.score - dna2.score; });
 
		// 全問正解していたら終了
		if(ayumeguList[ayumeguList.Count - 1].score == ExampleTest.QUESTION_COUNT)
		{		
			Debug.Log (count + "End" + ayumeguList[ayumeguList.Count - 1].GetDNA());
		}
		else
		{
			count++;
			for(int i = 0; i < 2; i++)
			{
				ayumeguList.RemoveAt(i);
			}
 
			CreateChild(ayumeguList[ayumeguList.Count - 1], ayumeguList[ayumeguList.Count - 2]);
		}
	}
 
	// 優秀な二匹の遺伝子を引き継いだ子を２匹追加します。
	public void CreateChild(Ayumegu parent1, Ayumegu parent2)
	{
		int rand = Random.Range(1, ExampleTest.QUESTION_COUNT - 1);
 
		string parent1Dna = parent1.GetDNA();
		string parent2Dna = parent2.GetDNA();
 
		string child1Dna = parent1Dna.Substring(0, rand) + parent2Dna.Substring(rand, ExampleTest.QUESTION_COUNT - rand);
		string child2Dna = parent2Dna.Substring(0, rand) + parent1Dna.Substring(rand, ExampleTest.QUESTION_COUNT - rand);
 
 
		child1Dna = ChangeDna(child1Dna);
		child2Dna = ChangeDna(child2Dna);
 
		Ayumegu child1 = new Ayumegu();
		child1.SetDNA(child1Dna);
		ayumeguList.Add (child1);
 
		Ayumegu child2 = new Ayumegu();
		child2.SetDNA(child2Dna);
		ayumeguList.Add (child2);
		Test();
	}
 
	// 遺伝子の一部を突然変異させます
	private string ChangeDna(string dna)
	{
		int changePoint = Random.Range(1, 12);
		if(changePoint < 11)
		{
			int no = int.Parse(dna.Substring(changePoint - 1, 1));
			no++;
			if(no > 2) no = 0;
			dna = dna.Substring(0, changePoint - 1) + no.ToString() + dna.Substring(changePoint, ExampleTest.QUESTION_COUNT - changePoint);
		}
		return dna;
	}
}