master-algorithms-py/src/builtin_structures/check_non_overlapping_intervals.py
2015-01-06 21:11:21 -05:00

36 lines
638 B
Python
Executable File

#!/usr/bin/env python
__author__ = "bt3"
'''
given an array of intervals, return max number of non-overlapping intervals
'''
from collections import defaultdict
def non_overlapping(array):
'''
>>> non_overlapping([(1,2), (2,5), (1, 6)])
[[(1, 2), (2, 5)]]
>>> non_overlapping([(1,4), (2,5), (3, 6)])
[]
'''
total = []
for i, t in enumerate(array):
start = t[0]
end = t[1]
for tt in array[i+1:] :
if end <= tt[0]:
total.append([(start, end), (tt[0], tt[1])])
return total
if __name__ == '__main__':
import doctest
doctest.testmod()