Update minimum-xor-sum-of-two-arrays.py

Author: kamyu104

Python/minimum-xor-sum-of-two-arrays.py

@@ -6,7 +6,7 @@ class Solution(object):
     def minimumXORSum(self, nums1, nums2):
         # Template translated from:
         # https://github.com/kth-competitive-programming/kactl/blob/main/content/graph/WeightedMatching.h
-        def hungarian(a):
+        def hungarian(a):  # Time: O(n^2 * m), Space: O(n + m)
             if not a:
                 return 0, []
             n, m = len(a)+1, len(a[0])+1