Intervals pattern

Overview

Sort, then sweep · overlap ⇔ b.start ≤ a.end. Watch it run step by step, then write your own pseudocode and get it checked by AI.

  • Concept
  • 1 approach
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Intervals

Concept lesson

The approach

  1. 01 The intervals skeleton O(n log n)O(n) space
Played step by step, with its time and space.

What you will learn

  • The idea behind Intervals, drawn one step at a time
  • The intervals skeleton: O(n log n) time, O(n) space
  • The pseudocode for each approach, its line lit as the animation runs

More Intervals

See Overview run, step by step

Sign in and this page opens on the animation, with all 5 Intervals problems beside it.

Sign in to open itSee plans

DSA comes with the all labs plan and every ChaiCode batch.