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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define maxrolls 10
  4. #define initialWallet 10000
  5. #define numOfTests	3000
  6.  
  7.  
  8. int main() {
  9. 	srand(time(NULL));
  10. 	double win = 0;
  11. 	int qtd = numOfTests;
  12. 	double medValue = 0.0;
  13. 	for( int j = 0; j < qtd; j++){
  14. 		double wallet = initialWallet;
  15. 		bool lastResult = true;
  16. 		double lastBet = 0.01;
  17. 		int counter = 0;
  18. 		int d = 0;
  19. 		for (int i = 0;i<maxrolls; i++) {
  20. 			if (lastResult ==  true) {
  21. 				lastBet = 0.01;
  22. 				counter = d = 0;
  23. 			}
  24.  
  25. 			if (counter == 10) {
  26. 				d++;
  27. 				counter = 0;
  28. 			}
  29. 			lastBet = (0.01 * pow(2,d));
  30. 			wallet-=lastBet;
  31. 			if(wallet < 0) break;
  32. 			int val = 0;
  33. 			int roll = rand()%15;
  34. 			lastResult = (roll == 0); 
  35. 			if(lastResult) wallet += 14*lastBet;
  36. 		}
  37. 		win+=(wallet>0);
  38. 		if(wallet>0)medValue+=wallet;
  39. 	}
  40. 	double prob = (win/qtd);
  41. 	printf("%.5lf - %.5lf\n",(prob*100.0),medValue/win);
  42. 	return 0;
  43. }
Success #stdin #stdout 0s 15224KB
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100.00000 - 9999.99534
https://ideone.com/iiTIis
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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