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# Chapter 13.   Backtracking

![Backtracking](../assets/covers/chapter_backtracking.jpg){ class="cover-image" }

!!! abstract

    Like explorers in a maze, we may encounter obstacles on our path forward.

    The power of backtracking lets us begin anew, keep trying, and eventually find the exit leading to the light.

## Chapter contents

- [13.1   Backtracking algorithms](backtracking_algorithm.md)
- [13.2   Permutation problem](permutations_problem.md)
- [13.3   Subset sum problem](subset_sum_problem.md)
- [13.4   n queens problem](n_queens_problem.md)
- [13.5   Summary](summary.md)