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Nov 20th, 2021
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  1. import java.util.Random;
  2.  
  3. public abstract class sim {
  4. public static void main(String[] args) {
  5. Random rnd = new Random();
  6. int stayScore = 0;
  7. int changeScore = 0;
  8.  
  9. //
  10. for (int i = 0; i < 100000; i++) {
  11. int rightNumber = rnd.nextInt(3) + 1;
  12. int firstChoiceNumber = rnd.nextInt(3) + 1;
  13.  
  14. if (firstChoiceNumber == rightNumber) {
  15. stayScore ++;
  16. }
  17.  
  18. int wrongNumber = rnd.nextInt(3) + 1;
  19. do {
  20. wrongNumber = rnd.nextInt(3) + 1;
  21. } while (wrongNumber == rightNumber || wrongNumber == firstChoiceNumber);
  22.  
  23. int secondChoiceNumber = rnd.nextInt(3) + 1;
  24. do {
  25. secondChoiceNumber = rnd.nextInt(3) + 1;
  26. } while (secondChoiceNumber == firstChoiceNumber || secondChoiceNumber == wrongNumber);
  27.  
  28. if (secondChoiceNumber == rightNumber) {
  29. changeScore ++;
  30. }
  31.  
  32. }
  33. System.out.println(stayScore);
  34. System.out.println(changeScore);
  35. }
  36. }
  37.  
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