What are some examples of backtracking problems?
Backtracking is a problem-solving technique used in algorithms. Some classic examples include the N-Queens problem, Sudoku solver, and the Hamiltonian path problem.
Can you explain the N-Queens problem?
Sure! The N-Queens problem involves placing N queens on an N×N chessboard so that no two queens threaten each other. It's a classic example of backtracking.
How does backtracking work in solving Sudoku?
In Sudoku, backtracking involves filling in numbers one by one and checking if the current configuration is valid. If it leads to a conflict, the algorithm backtracks and tries the next number.
Are there any other algorithms that use backtracking?
Yes, other algorithms that use backtracking include the subset sum problem, the traveling salesman problem, and generating permutations.
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