Description
Solutions
Combine Two Vectors of Intervals (MLE) 🙌

Imagine you have two vectors of intervals, labeled as X and Y, each representing a series of segments along a path. In vector X, there are no overlapping segments, and the same goes for vector Y. Your task is to merge these two vector into a single vector, ensuring that there are no overlaps in the resulting segments. However, you're asked to devise a highly efficient solution that outperforms naive methods.

Function Description

Complete the function combineTwoVectorsOfIntervals in the editor 👉.

Returns

int[][]: The merged vector of intervals without any overlaps.

P.S. For original prompt, pls refer to source image. 💚

Example 1: 

Input:  X = [[1,5], [10,14], [16,18]], Y = [[2,6], [8,10], [11,20]]
Output: [[1,6], [8,20]] 
Explanation:


The intervals from list X and list Y are merged and the overlapping intervals are combined to produce the following output:

      
    
        
  • The intervals [1,5] and [2,6] overlap and can be merged into [1,6].
    • 
        
  • The intervals [10,14] and [11,20] overlap with [8,10], and all can be merged into [8,20].
    • 
        
  • The interval [16,18] is within the bounds of [11,20] and is therefore already covered by it.
    • 
      

    
The resulting merged list of intervals with no overlaps is [[1,6], [8,20]].

(Provided by Groot with 🫶 from the west coast. PLS dont hesitate to correct me if you find anything wrong. I am always on the discord serva 🛵)
Constraints:
    An unknown myth for now
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Testcase
Result
Case 1

input:

output: