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56. Merge Intervals

题目

Given a collection of intervals, merge all overlapping intervals.

Example 1:

Input: [[1,3],[2,6],[8,10],[15,18]]
Output: [[1,6],[8,10],[15,18]]
Explanation: Since intervals [1,3] and [2,6] overlaps, merge them into [1,6].

Example 2:

Input: [[1,4],[4,5]]
Output: [[1,5]]
Explanation: Intervals [1,4] and [4,5] are considered overlapping.

题目大意

合并给的多个区间，区间有重叠的要进行区间合并。

解题思路

先按照区间起点进行排序。然后从区间起点小的开始扫描，依次合并每个有重叠的区间。

Documentation

Index

• type Interval

Types

type Interval

type Interval = structures.Interval

Interval define