855. Exam Room

• 855. Exam Room
  • Description
  • Intuition
  • Pitfall
  • Solution
  • Reference

Description

Here

Intuition

有很多solution

1. Maintain一个interval的treeset，同时一个start -> interval, end -> interval的hashmap

Pitfall

Solution

• Solution Interval
• Solution

Reference

• Leetcode Discuss 跟帖-leave-O(n)-with-explanation/232744)