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  1. import java.util.Random;
  2.  
  3. class Thesis4 {
  4.  
  5.     public static void main(String[] args) {
  6.         // allocate objects only once
  7.         Random rand = new Random();
  8.  
  9.         int totalRTIncorrect = 0;
  10.         int totalRTCorrect = 0;
  11.         int totalCorrect = 0;
  12.         int totalIncorrect = 0;
  13.  
  14.         for (int j = 0; j < 10000; j++) {
  15.             int correct = 0;
  16.             int incorrect = 0;
  17.             int incorrect2 = 0;
  18.             int incorrect3 = 0;
  19.             int time = 0;
  20.  
  21.             while (true) {
  22.                 int pickedNumber = rand.nextInt(400);
  23.  
  24.                 // happens every time, no point to move into if
  25.                 time++;
  26.  
  27.                 if (pickedNumber < 108) {
  28.                     // [0..107] = 108 / 400
  29.  
  30.                     // no need to add up to 88, return at 87
  31.                     if (correct >= 87) {
  32.                         // no need to calculate after the while loop, can be done directly
  33.                         totalRTCorrect += time;
  34.                         totalCorrect++;
  35.                         break;
  36.                     }
  37.                     // sum must not change +3-1-1-1 = 0
  38.                     correct += 3;
  39.                     incorrect--;
  40.                     incorrect2--;
  41.                     incorrect3--;
  42.  
  43.                     // else means there is no way the number can be
  44.                     // between 0 and 107, no need to check
  45.                 } else if (pickedNumber < 208) {
  46.                     // [108..207] = 100 / 400
  47.                     if (incorrect >= 87) {
  48.                         totalRTIncorrect += time;
  49.                         totalIncorrect++;
  50.                         break;
  51.                     }
  52.                     correct--;
  53.                     incorrect += 3;
  54.                     incorrect2--;
  55.                     incorrect3--;
  56.  
  57.                 } else if (pickedNumber < 309) {
  58.                     // [208..308] = 101 / 400
  59.                     if (incorrect2 >= 87) {
  60.                         totalRTIncorrect += time;
  61.                         totalIncorrect++;
  62.                         break;
  63.                     }
  64.                     correct--;
  65.                     incorrect--;
  66.                     incorrect2 += 3;
  67.                     incorrect3--;
  68.  
  69.                 } else {
  70.                     // [309..399] = 91 / 400
  71.                     if (incorrect3 >= 87) {
  72.                         totalRTIncorrect += time;
  73.                         totalIncorrect++;
  74.                         break;
  75.                     }
  76.                     correct--;
  77.                     incorrect--;
  78.                     incorrect2--;
  79.                     incorrect3 += 3;
  80.                 }
  81.             }
  82.         }
  83.         System.out.printf("Total Correct Responses: %d \nTotal Incorrect Responses: %d",
  84.                 totalCorrect, totalIncorrect);
  85.         System.out.printf("\nTotal Correct RT's: %d \nTotal Incorrect RT's: %d\n", totalRTCorrect,
  86.                 totalRTIncorrect);
  87.     }
  88. }
Success #stdin #stdout 0.61s 380416KB
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stdin
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Standard input is empty
stdout
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Total Correct Responses: 6968 
Total Incorrect Responses: 3032
Total Correct RT's: 5818914 
Total Incorrect RT's: 2700423
https://ideone.com/ZSl4r0
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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