150强访谈简单

会议室二

“会议室 II”问题的详细指南和 Python 实现。

问题陈述

简单

给定一个会议时间间隔数组,其中 Intervals[i] = [starti, endi],找到所需的最小会议室数量。

编写一个函数 minMeetingRooms(intervals: List[List[int]]) -> int

约束条件
  • 0 <= len(intervals) <= 10^4
  • intervals[i].length == 2
  • 0 <= starti < endi <= 10^6

示例

Example 1
Input
intervals = [[0,30],[5,10],[15,20]]
Output
2
Explanation

Room 1: [0,30], Room 2: [5,10], [15,20].

Example 2
Input
intervals = [[7,10],[2,4]]
Output
1
Explanation

Meetings do not overlap.

Need a Hint?
考虑使用特定于间隔的数据结构,例如集合或堆。
Edge Cases to Watch
  • 空输入结构
  • 单元素输入
  • 大数值范围

准备好解决了吗?

Open the problem in PyRun's browser-based Python editor. Your code runs fully offline — no server required.

在编辑器中打开
Found this breakdown helpful?

PyRun is built and maintained by an independent solo developer. If this helped your interview prep, consider buying a coffee!

Buy me a coffee

推荐的 Python 资源

通过相关的交互式教程、备忘单和代码比较来扩展您的知识。