92차 3번 문제풀이

Author: hangyeol

live9/test92/문제3/백한결.py

@@ -0,0 +1,22 @@
+def solution(book_time):
+    books = []
+
+    for start, end in book_time:
+        books.append((hour_to_minutes(start), 1))
+        books.append((hour_to_minutes(end) + 10, -1))
+
+    books.sort()
+
+    current_rooms = 0
+    needed_rooms = 0
+
+    for time, type in books:
+        current_rooms += type
+        needed_rooms = max(needed_rooms, current_rooms)
+
+    return needed_rooms
+
+
+def hour_to_minutes(time):
+    hour, minute = map(int, time.split(":"))
+    return hour * 60 + minute