The classic sliding block puzzle. The 15-puzzle consists of a 4-by-4 grid with tile numbered $1$ to $15$ placed in the grid. The object of this puzzle is to randomly ...

判断十五数码是否有解, 我们只需要计算N=逆序数对之和，e=空白所在的行数。若N+e为偶数，则有解，反之无解(参考文献3) 本模型提供了两种启发函数的A*算法: 一种是基于Manhattan距离的A*算法(MHA*)(参考文献1), 另一种是基于Neural Netword Heuristic的A*算法(NNHA*)(参考文献 ...

Puzzles are the ultimate test of patience, logic, and your ability to not throw small pieces of cardboard across the room.

For more information, please read the wiki page of 15-puzzle problem at https://en.wikipedia.org/wiki/15_puzzle, and the wiki page of A* search at https://en ...

A Kentucky teenager with a talent for solving a type of puzzle known as a 15 puzzle broke a Guinness World Record by solving 10 of them in 1 minute, 16.13 seconds.

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The article gives tips on solving the puzzles, solutions for the January 15, 2025 puzzle, and introduces other games to improve problem-solving abilities. The New York Times has solidified its ...

Puzzle #584, released on January 15, presented an especially difficult challenge, pushing players to uncover connections between seemingly unrelated words. Known for its clever word associations ...