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g0001_0100.s0057_insert_interval.readme.md Maven / Gradle / Ivy

57\. Insert Interval

Medium

You are given an array of non-overlapping intervals `intervals` where intervals[i] = [starti, endi] represent the start and the end of the ith interval and `intervals` is sorted in ascending order by starti. You are also given an interval `newInterval = [start, end]` that represents the start and end of another interval.

Insert `newInterval` into `intervals` such that `intervals` is still sorted in ascending order by starti and `intervals` still does not have any overlapping intervals (merge overlapping intervals if necessary).

Return `intervals` _after the insertion_.

**Example 1:**

**Input:** intervals = [[1,3],[6,9]], newInterval = [2,5]

**Output:** [[1,5],[6,9]] 

**Example 2:**

**Input:** intervals = [[1,2],[3,5],[6,7],[8,10],[12,16]], newInterval = [4,8]

**Output:** [[1,2],[3,10],[12,16]]

**Explanation:** Because the new interval `[4,8]` overlaps with `[3,5],[6,7],[8,10]`.

**Example 3:**

**Input:** intervals = [], newInterval = [5,7]

**Output:** [[5,7]] 

**Example 4:**

**Input:** intervals = [[1,5]], newInterval = [2,3]

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

**Example 5:**

**Input:** intervals = [[1,5]], newInterval = [2,7]

**Output:** [[1,7]] 

**Constraints:**

*   0 <= intervals.length <= 104
*   `intervals[i].length == 2`
*   0 <= starti <= endi <= 105
*   `intervals` is sorted by starti in **ascending** order.
*   `newInterval.length == 2`
*   0 <= start <= end <= 105