Shuffle Card of Desk
Shuffle card of desk, it must be perfect shuffle, mean each of 52! permutations of the deck has to equally likely.
Algorithm:
- Iterate 1 to 52
- During each iterate get random number between 1 to current position
- Swap card of current position with random position
Latest Source Code:
Github: ShuffleCardOfDeck.java
Output:
Before Shuffle: 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 After Shuffle: 25 34 43 3 35 48 12 44 13 4 30 29 38 8 47 37 33 45 23 14 2 27 52 15 28 7 6 11 36 18 9 51 39 31 49 17 46 42 10 41 24 5 21 1 22 50 32 40 20 19 16 26