Pete Johns johnsyweb
johnsyweb
/ paj_binary_search.py
Created
April 25, 2010 05:30
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def binary_search(elements, required): | |
| if 1 == len(elements): | |
| if required == elements[0]: | |
| return required | |
| else: | |
| return None | |
| else: | |
| midpoint = int(len(elements) / 2) | |
| if elements[midpoint] > required: | |
| return binary_search(elements[:midpoint], required) |
NewerOlder