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Thursday, March 12, 2015

Problem 84

Before solving this problem
I thought lost of time. because. It request to me that I had to make monopoly rules and playing it to make statistic.

Anyway I made up~ never give up~!



What I learned from this problem is that statistics are very strong~!!!!!!




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package euler.numberFrom71;

import java.util.Arrays;
import java.util.Collections;
import java.util.Random;

public class number84 {
 
 static int visitCount [] = new int[40];
 static int currentPosition =0;
 
 static int money[] = new int [16];
 static int moneyPosition = 0;
 
 
 static String chance[] = new String [16];
 static int chancePosition = 0;
 
 static int []log = new int[40]; 
 
 static String [] map  = {
   "GO", "A1","CC1","A2","T1","R1","B1","CH1","B2","B3", //0 ~9
   "JAIL", "C1", "U1", "C2", "C3", "R2", "D1", "CC2","D2","D3", // 10-19
   "FP", "E1", "CH2", "E2", "E3", "R3", "F1",  "F2", "U2", "F3", // 20- 29
   "G2J",  "G1","G2",  "CC3",  "G3", "R4", "CH3", "H1", "T2",  "H2" //30-39
 };
 
 public static void main(String args[]) throws InterruptedException{
  settingMoneyAndChange();
  
  Random ran = new Random();
  
  for (int i = 0; i < 10000000; i++) {
   int count =0;
   boolean isCountinue = true;
   while (isCountinue) {
    DiceResult result = goDice();
    
    // 더블체크
    if(result .isDouble){
     isCountinue = true;
     if(count == 2){
      goToJail();
      break;
     }
     count++;
    }else{
     isCountinue = false;
    }
    
    int tempTotal = currentPosition+ result.total;
    if(tempTotal > map.length -1){
     currentPosition =tempTotal - map.length;
    }else{
     currentPosition = tempTotal;
    }  
    
    // 점령한다 // 더블이여도 감옥가면 그만
    if(!goToPosition(currentPosition)){
     break;
    }
   }
   
   
   //System.out.println(Arrays.toString(visitCount));
   
   Arrays.fill(log, 0);
   log[currentPosition] =9;
   //System.out.println(Arrays.toString(log));
  }
  
  
  int [] temp = visitCount.clone();
  Arrays.sort(temp);
  for (int i = temp.length-1; i > temp.length-4; i--) {
   
   for (int j = 0; j < visitCount.length; j++) {
    if(visitCount[j] == temp[i]){
     System.out.println(map[j]);
     break;
    }
   }
  }
  
  
  
 }
 
 /**
  * 점령한다
  * @param currentPosition2
  */
 private static boolean  goToPosition(int destP) {
  if(map[destP].contains("CC")){
   doPublic(destP);
  }else if(map[destP].contains("CH")){
   doChance(destP);
  }else if(map[destP].contains("G2J")){
   goToJail();
   
   return false;
  }else{
   visitCount[destP]++;
  }
  return true;
 }
 
 
 private static void doChance(int destP) {
  //System.out.println("chance " + chance[chancePosition]);
  if(chance[chancePosition] == null){
   visitCount[destP]++;
  }else if(chance[chancePosition] .equals("")){
   visitCount[destP]++;
  }else if(chance[chancePosition] .contains("N_")){
   findNextPosition(chance[chancePosition]);
   visitCount[currentPosition]++;
  }else if(chance[chancePosition] .equals("B3")){
   currentPosition = currentPosition-3;
   visitCount[currentPosition]++;
  }else{
   findPosition(chance[chancePosition]);
   visitCount[currentPosition]++;
  }
  
  if(chancePosition == chance.length-1){
   chancePosition =0; 
  }else{
   chancePosition++;
  }
 }

 private static void findNextPosition(String string) {
  String a = string.substring(2);
  for (int i = currentPosition; i < map.length; i++) {
   if(map[i].startsWith(a)){
    currentPosition =i;
    return ;
   }
  }
  
  for (int i = 0; i < currentPosition; i++) {
   if(map[i].startsWith(a)){
    currentPosition =i;
    return ;
   }
  }
 }

 private static void findPosition(String string) {
  for (int i = 0; i < map.length; i++) {
   if(string.equals(map[i])){
    currentPosition = i;
    break;
   }
  }
 }

 private static void doPublic(int destP) {
  //System.out.println("doPublic " + money[moneyPosition]);
  if(money[moneyPosition] != -1){
   currentPosition = money[moneyPosition];
   visitCount[currentPosition]++;
  }else{
   visitCount[destP]++;
  }
  
  if(moneyPosition == money.length-1){
   moneyPosition =0; 
  }else{
   moneyPosition++;
  }
  
 }

 /**
  * 초기화
  */
 private static void settingMoneyAndChange() {
  Arrays.fill(money, -1);
  money[0] = 0;
  money[1] = 10;
  
  Arrays.fill(chance, null);
  chance[0] = "GO";
  chance[1] = "JAIL";
  chance[2] = "C1";
  chance[3] = "E3";
  chance[4] = "H2";
  chance[5] = "R1";
  chance[6] = "N_R";
  chance[7] = "N_R";
  chance[8] = "N_U";
  chance[9] = "B3";
 }

 private static void goToJail() {
  //System.out.println("감옥");
  currentPosition = 10;
  visitCount[10]++;
 }

 public static DiceResult goDice(){

  Random ran = new Random();
  
  DiceResult result = new DiceResult();
  
  int a=0;
  int b=0;
  int total =0;
  a= ran.nextInt(4)+1;
  b= ran.nextInt(4)+1;
  
  //System.out.println("주사위 : " + a +" , "+ b);
  
  if(a == b){
   result.isDouble = true;
   //System.out.println("더블");
  }
  
  total = a+b;
  result.total = total;
  return result;
 }
}


class DiceResult{
 boolean isDouble = false;
 int total = 0;
}

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