What is the complexity of recursive backtracking?
The complexity of recursive backtracking can vary, but it is often exponential in the worst case, depending on the problem.
Can you give an example of a problem that uses recursive backtracking?
Sure! A classic example is the N-Queens problem, where you place N queens on an N×N chessboard.
How does the algorithm work in that case?
The algorithm places queens one by one in different columns, checking for conflicts with already placed queens.
What are some optimizations for recursive backtracking?
Some optimizations include pruning the search space, using heuristics, and memoization to avoid redundant calculations.
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