探索從 240 億種可能解法中找出斑馬謎題解答的 8 種不同方法,包括盡早忽略無效排列、AC-3 演算法、非常簡潔的邏輯解法,甚至基因演算法!
The Zebra Puzzle is a famous logic puzzle in which there are five houses, each painted a different color. The houses have different inhabitants, who have different nationalities, own different pets, drink different beverages and enjoy different hobbies.
To help you solve the puzzle, you're given 15 statements describing the solution. However, only by combining the information in all statements will you be able to find the solution to the puzzle.
The Zebra Puzzle is a Constraint satisfaction problem (CSP). In such a problem, you have a set of possible values and a set of constraints that limit which values are valid. Another well-known CSP is Sudoku.
Your task is to solve the Zebra Puzzle to find the answer to these two questions:
The following 15 statements are all known to be true:
Additionally, each of the five houses is painted a different color, and their inhabitants are of different national extractions, own different pets, drink different beverages and engage in different hobbies.
There are 24 billion (5!⁵ = 24,883,200,000) possible solutions, so try ruling out as many solutions as possible.
你還沒有用任何語言完成它。