[LeetCode] 52. N-Queens II N皇后问题之二
The n-queens puzzle is the problem of placing nqueens on an n×n chessboard such that no two queens attack each other. Given an integer n ...
原文：LeetCode:N-Queens I II（n皇后问题）
N Queens The n queens puzzle is the problem of placing n queens on an n n chessboard such that no two queens attack each other. Given an integer n, return all distinct solutions to the n queens puzzle ...
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N-皇后问题（N Queens）： https://www.jianshu.com/p/bb123944d3e5 八皇后问题，是一个古老而著名的问题.该问题是国际西洋棋棋手马克斯·贝瑟尔于1848年提出：在8×8格的国际象棋上摆放八个皇后 ...