Let two vectors lo and hi be given.

The job is to create a index vector like so

idx = [lo(1):hi(1) lo(2):hi(2) ...]

Where : is the colon operator.

One can assume that all entries are positve integers. Delete all pairs where lo(i) > hi(i).

For example:

  • lo = [1 5 10]; hi = [3 8 12];
idx = [1 2 3 5 6 7 8 10 11 12]
  • lo = [3 5 6 7]; hi = [1 4 6 8];
idx = [6 7 8]
Solve

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Last Solution submitted on Feb 10, 2026

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