3440 Reschedule Meetings for Maximum Free Time II

Author: AlfredChow2338

solution/3400-3499/3440.Reschedule Meetings for Maximum Free Time II/README.md

@@ -111,7 +111,37 @@ tags:
 #### Python3
 
 ```python
+from typing import List
 
+class Solution:
+    def maxFreeTime(self, eventTime: int, startTime: List[int], endTime: List[int]) -> int:
+        n = len(startTime)
+        res = 0
+
+        left_gaps = [0] * n
+        left_gaps[0] = startTime[0]
+        for meet in range(1, n):
+            left_gaps[meet] = max(left_gaps[meet-1], startTime[meet] - endTime[meet-1])
+
+        right_gaps = [0] * n
+        right_gaps[n-1] = eventTime - endTime[-1]
+        for meet in range(n-2, -1, -1):
+            right_gaps[meet] = max(right_gaps[meet+1], startTime[meet+1] - endTime[meet])
+
+        for meet in range(n):
+            left_gap = left_gaps[meet] if meet == 0 else startTime[meet] - endTime[meet-1]
+            right_gap = right_gaps[meet] if meet == n-1 else startTime[meet+1] - endTime[meet]
+
+            interval = 0
+
+            if (meet != 0 and left_gaps[meet-1] >= (endTime[meet] - startTime[meet]) or 
+                meet != n-1 and right_gaps[meet+1] >= (endTime[meet] - startTime[meet])
+            ):
+                interval = endTime[meet] - startTime[meet]
+            
+            res = max(res, left_gap + interval + right_gap)
+
+        return res
 ```
 
 #### Java