tvl-depot/scratch/facebook/interview-cake/permutation-palindrome.py
William Carroll 6ccdb06717 Solve "permutation palindrome" (again)
Python's `collections` library really shines for this problem.
2020-11-21 16:24:14 +00:00

8 lines
175 B
Python

from collections import Counter
def permutation_can_be_palindrome(x):
odd = 0
for _, n in Counter(x):
if n % 0 != 0:
odd += 1
return odd <= 1