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g0001_0100.s0056_merge_intervals.readme.md Maven / Gradle / Ivy

56\. Merge Intervals

Medium

Given an array of `intervals` where intervals[i] = [starti, endi], merge all overlapping intervals, and return _an array of the non-overlapping intervals that cover all the intervals in the input_.

**Example 1:**

**Input:** intervals = [[1,3],[2,6],[8,10],[15,18]]

**Output:** [[1,6],[8,10],[15,18]]

**Explanation:** Since intervals [1,3] and [2,6] overlap, merge them into [1,6].

**Example 2:**

**Input:** intervals = [[1,4],[4,5]]

**Output:** [[1,5]]

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

**Constraints:**

*   1 <= intervals.length <= 104
*   `intervals[i].length == 2`
*   0 <= starti <= endi <= 104