Merge pull request #2315 from doh6077/main

[doh6077] WEEK 13 solutions

Author: TonyKim9401

meeting-rooms/doh6077.py

@@ -0,0 +1,31 @@
+
+# https://neetcode.io/problems/meeting-schedule/question
+# Related Question 
+# https://leetcode.com/problems/non-overlapping-intervals/description/
+# 이전에 풀었던 문제와 상당히 비슷하다고 생각해서 해당 문제를 풀었던 풀이대로 풀었다. 
+# 1. Sort the input by start time
+# 2. Track the previous interval's end time
+# 3. Check if the current interval's start overlaps with the previous end
+# Time complexity: O(n log n)
+class Solution:
+    def canAttendMeetings(self, intervals: List[Interval]) -> bool:
+        # Write your code here
+        if not intervals:
+            return True
+        
+        intervals.sort(key=lambda x: x.start)
+        
+        prev = intervals[0].end
+        
+        for i in intervals[1:]:
+            if i.start >= prev:
+                prev = i.end
+            else:
+                return False
+        return True
+    # for i in range(1, len(intervals)):
+    #     i1 = intervals[i-1]
+    #     i2 = intervals[i]
+
+    #     if i1.end > i2.start:
+    #         return False