Update maximum-number-of-events-that-can-be-attended.py

kamyu104 · web-flow · commit 14073c656fb6 · 2020-02-16T19:44:21.000+08:00
diff --git a/Python/maximum-number-of-events-that-can-be-attended.py b/Python/maximum-number-of-events-that-can-be-attended.py
@@ -1,7 +1,7 @@
 # Time:  O(r + nlogn), r is the max end day of events
 # Space: O(n)
 
-import collections
+import heapq
 
 
 class Solution(object):
