Amazon SDE Interview Question 2024-February | Advanced Backtracking | On-campus

Question 1: N-Queens 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. Each solution contains a distinct board configuration of the n-queens' placement, where 'Q' and '.' both indicate a queen and an empty space, respectively. Constraints 1 <= n <= 9 Example ...