Wentworth Institute of Technology
Division of Professional and Continuing Studies
COMP380 Section 71 - Data Structures I - Spring, 2007
Homework 10 – Poker Probabilities
Instructor: Bob Goldstein (617) 912-2512
bob.goldstein@schepens.harvard.edu
http://home.comcast.net/~goldsteinr/Courses/index.html
http://goldstein.eri.harvard.edu/courses/index.html
http://myweb.wit.edu/goldsteinr/Courses/index.html
Due Date: April 17, 2007
Hand In: Printout of program code and dialogue of how it runs.
Purpose:
Build a simulation by working with stacks.
Description:
Use the classes “PlayingCard” and “CardDeck” to build 2 million poker hands to calculate poker hand
probabilities.
For each poker hand, start with a freshly shuffled deck. Then pop the top 5 cards off the deck to get
one poker hand. You then need to examine the hand to see which of the below categories the hand
falls into. Maintain counters for each of the hand types.
The tricky part of this assignment is to determine which of the below categories the hand falls into.
After the 2 million hands are run, see how your numbers compare with the below numbers that were
pulled off the internet.
FOR THE MAIN PART OF THE HOMEWORK ASSIGNMENT, ONLY DO THE “One Pair”, “Two
Pair”, “Three of a kind” and “Straight” categories.
PROBABILITIES OF FIVE-CARD POKER HANDS
Hand Number Approx Odds (to 1)
Royal Flush
Straight flush
Four of a kind
Full House
Flush
Straight
Three of a kind
Two pairs
one pair
No hand
4
36
624
3,744
5,108
10,200
54,912
123,552
1,098,240
1,302,540
649,740
72,192
4,164
693
508
254
46
20
1.37
1
Extra Credit:
1. Include the remaining categories (flush, full house, four of a kind, straight flush, and Royal Flush).
Extra, Extra Credit
2. Simulate a poker game where the user plays against the computer.
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