Backtracking - Examples

Examples

Typical examples are

  • Puzzles such as eight queens puzzle, crosswords, verbal arithmetic, Sudoku, Peg Solitaire.
  • Combinatorial optimization problems such as parsing and the knapsack problem.
  • Logic programming languages such as Icon, Planner and Prolog, which use backtracking internally to generate answers.
  • Backtracking is also utilized in the "diff" (version comparing) engine for the MediaWiki software.

Below is an example for the constraint satisfaction problem:

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