2025-08-25 14:00:38 +0000 UTC

class MyCalendar:
    def __init__(self): 
        self.events = SortedList()

    def book(self, startTime: int, endTime: int) -> bool:
        insert_index = self.events.bisect_left((startTime, endTime))
        if (
            insert_index - 1 >= 0 
            and startTime < self.events[insert_index - 1][1]
        ) or (
            insert_index < len(self.events) 
            and self.events[insert_index][0] < endTime
        ):
            return False
        self.events.add((startTime, endTime))
        return True


# Your MyCalendar object will be instantiated and called as such:
# obj = MyCalendar()
# param_1 = obj.book(startTime,endTime)