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. Each solution contains a distinct board configuration of…

1. 原题链接 https://leetcode.com/problems/n-queens/description/ 2. 题目要求 游戏规则:当两个皇后位于同一条线上时(同一列.同一行.同一45度斜线.同一135度斜线)时,便可以消灭其中一个皇后 给出一个n*n的棋盘,要求棋盘上的n个皇后都不能被其他皇后吃掉,给出棋盘上n个皇后所有的摆放情况. ‘Q’代表此处放的是皇后,‘.’代表此处为空 4皇后的输出结果形式: [[.Q.., ...Q, Q..., ..Q.],[..Q., Q...,…

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 遍历 日期 题目地址:https://leetcode.com/problems/queens-that-can-attack-the-king/ 题目描述 On an 8x8 chessboard, there can be multiple Black Queens and one White King. Given an array of int…

51. N-Queens Problem's Link ---------------------------------------------------------------------------- Mean: N-Queen问题. analyse: dfs基本功. Time complexity: O(N) view code 1.第一发超时了,回过头来看看自己像shi一样的代码也是醉了. );        );            ; )) --x,++y;        wh…

https://leetcode.com/problems/n-queens/ class Solution { public: void dfs(vector<vector<string>> &ret, vector<vector<char>> map,int i, int j){ ){ vector<string> ans; ans.clear(); ;ki<map.size();++ki){ string s="&q…

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. Each solution contains a distinct board configuration of…

51. N-Queens 使用isValid判断当前的位置是否合法 每次遍历一行,使用queenCol记录之前行的存储位置,一方面是用于判断合法,另一方面可以根据存储结果输出最终的结果 class Solution { public: vector<vector<string> > solveNQueens(int n) { vector<vector<string> > result; ) return result; vector<); ; sol…

题目: 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. Each solution contains a distinct board configuration…

题目如下: On an 8x8 chessboard, there can be multiple Black Queens and one White King. Given an array of integer coordinates queens that represents the positions of the Black Queens, and a pair of coordinates king that represent the position of the White…

51. N皇后 n 皇后问题研究的是如何将 n 个皇后放置在 n×n 的棋盘上,并且使皇后彼此之间不能相互攻击. 上图为 8 皇后问题的一种解法. 给定一个整数 n,返回所有不同的 n 皇后问题的解决方案. 每一种解法包含一个明确的 n 皇后问题的棋子放置方案,该方案中 'Q' 和 '.' 分别代表了皇后和空位. 示例: 输入: 4 输出: [ [".Q-", // 解法 1 "-Q", "Q-", "-Q."], [&quo…