[leetcode]N-Queens @ Python
原题地址：https://oj.leetcode.com/problems/n-queens/ 题意：经典的N皇后问题。 解题思路：这类型问题统称为递归回溯问题，也可以叫做对决策树的深度优先搜索（dfs）。N皇后问题有个技巧的关键在于棋盘的表示方法，这里使用一个数组就可以表达了。比如board ...
原文：N-Queens leetcode
Then queens puzzle is the problem of placingnqueens on ann nchessboard such that no two queens attack each other. Given an integern, return all distinct solutions to then queens puzzle. Each solution ...
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