LeetCode题解(1845)：座位预约管理系统(Python)

题目：​​原题链接​​（中等）

标签：设计、堆

解法一：

class SeatManager:

    def __init__(self, n: int):
        self.lst = [i + 1 for i in range(n)]
        self.unseat = set()

    def reserve(self) -> int:
        return heapq.heappop(self.lst)

    def unreserve(self, seatNumber: int) -> None:
        heapq.heappush(self.lst, seatNumber)