Leetcode Problem 2655. Find Maximal Uncovered Ranges

2655. Find Maximal Uncovered Ranges

Leetcode Solutions

Sorting and Merging Intervals

  1. Sort the ranges based on their starting points.
  2. Initialize a variable end to keep track of the end of the last merged interval, starting with -1.
  3. Iterate through the sorted ranges.
    • If the current range starts after end + 1, an uncovered range is found; add it to the result.
    • Update end to be the maximum of the current end and the end of the current range.
  4. After the loop, if end is less than n - 1, add the range from end + 1 to n - 1 to the result as the last uncovered range.
  5. Return the result containing all uncovered ranges.
UML Thumbnail

Marking Covered Cells and Finding Maximal Uncovered Ranges

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