-
Notifications
You must be signed in to change notification settings - Fork 0
/
dice_roll.cpp
60 lines (53 loc) · 1.43 KB
/
dice_roll.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
//Simulation program to estimate the winning chance of the Craps game.
#include <iostream>
#include <ctime>
#include <cstdlib>
using namespace std;
int main()
{
const int MIN_VALUE = 1, MAX_VALUE = 6, GAMES = 10000;
int die1, die2, first_dice_rolled;
double winning_chance, wins, losses;
unsigned seed = time(0);
srand(seed);
wins = 0.0;
losses = 0.0;
for (int play = 1; play <= GAMES; play++)
{
die1 = (rand() % (MAX_VALUE - MIN_VALUE + 1)) + MIN_VALUE;
die2 = (rand() % (MAX_VALUE - MIN_VALUE + 1)) + MIN_VALUE;
first_dice_rolled = die1 + die2;
if ((first_dice_rolled == 2) || (first_dice_rolled == 3))
losses++;
else if (first_dice_rolled == 12)
losses++;
else if ((first_dice_rolled == 7) || (first_dice_rolled == 11))
wins++;
else
{
bool start = true;
int established_point = first_dice_rolled;
int dice_rolled;
while (start)
{
die1 = (rand() % (MAX_VALUE - MIN_VALUE + 1)) + MIN_VALUE;
die2 = (rand() % (MAX_VALUE - MIN_VALUE + 1)) + MIN_VALUE;
dice_rolled = die1 + die2;
if (dice_rolled == established_point)
{
wins++;
start = false;
}
else if (dice_rolled == 7)
{
losses++;
start = false;
}
}
}
}
winning_chance = (wins / GAMES) * 100;
cout << "Played " << GAMES << " games.\n";
cout << "Your winning chance for those games was " << winning_chance << "%\n";
return 0;
}