Backtracking pattern

Solution Space Trees

Nodes = partial solutions, edges = choices. Watch it run step by step, then write your own pseudocode and get it checked by AI.

  • Concept
  • 1 approach
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Backtracking

Concept lesson

The approach

  1. 01 The mental model behind every backtracking problem O(tree size), pruning shrinks itO(depth) space
Played step by step, with its time and space.

What you will learn

  • The idea behind Backtracking, drawn one step at a time
  • The mental model behind every backtracking problem: O(tree size), pruning shrinks it time, O(depth) space
  • The pseudocode for each approach, its line lit as the animation runs

More Backtracking

See Solution Space Trees run, step by step

Sign in and this page opens on the animation, with all 8 Backtracking problems beside it.

Sign in to open itSee plans

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