Search results
N-Queens - The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that no two queens attack each other. Given an integer n, return all distinct solutions to the n-queens puzzle.
N-Queens II - The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that no two queens attack each other. Given an integer n, return the number of distinct solutions to the n-queens puzzle.
In-depth solution and explanation for LeetCode 51. N-Queens in Python, Java, C++ and more. Intuitions, example walk through, and complexity analysis. Better than official and forum solutions.
class Solution { public: vector<vector<string>> solveNQueens(int n) { vector<vector<string>> ans; dfs(n, 0, vector<bool>(n), vector<bool>(2 * n - 1), vector<bool>(2 * n - 1), vector<string>(n, string(n, '.')), ans); return ans; } private: void dfs(int n, int i, vector<bool>&& cols, vector<bool>&& diag1, vector<bool>&& diag2, vector<string ...
Jan 20, 2016 · The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that no two queens attack each other. Given an integer n, return all distinct solutions to the n-queens puzzle. You may return the answer in any order.
Jun 16, 2024 · The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that no two queens attack each other.
May 22, 2021 · Given an integer n, return all distinct solutions to the n-queens puzzle. Each solution contains a distinct board configuration of the n-queens' placement, where 'Q' and '.' both indicate a queen and an empty space, respectively.
Problem Statement. The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that no two queens attack each other. Given an integer n, return all distinct solutions to the n-queens puzzle. You may return the answer in any order.
Can you solve this real interview question? N-Queens - Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.
The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that no two queens attack each other.
