Backtracking
Learn how to use backtracking. It is an efficient technique for solving problems using recursion.
Backtracking is an approach for recursively solving a problem. Backtracking does this by solving small pieces one by one and removing the parts that do not contribute to the solution.
This is a recursive approach. When a function calls itself, it is called recursion, which helps break down the problem into smaller pieces, solve the smaller parts, and return the combined solution.
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