What is backtracking in algorithms?
An example of an AI chatbot conversation about backtracking in algorithms.
What is backtracking in algorithms?
Backtracking is a problem-solving technique that incrementally builds candidates for solutions and abandons a candidate as soon as it is determined that it cannot lead to a valid solution.
Can you give me an example of backtracking?
Sure! A classic example is the N-Queens problem, where you place N queens on an N×N chessboard so that no two queens threaten each other.
How does backtracking work in the N-Queens problem?
In the N-Queens problem, backtracking places a queen in a row and then recursively attempts to place queens in subsequent rows. If a placement leads to a conflict, it backtracks and tries the next position.
What are some other problems that can be solved using backtracking?
Other problems include solving mazes, generating permutations, and the Sudoku puzzle.
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