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Grokking the Coding Interview Patterns in C++

N-Queens II

Explore how to apply backtracking to solve the N Queens II problem by counting distinct placements of queens on an n x n chessboard. Understand constraints and develop a systematic approach to ensure no two queens attack each other, honing your problem-solving skills in combinatorial challenges.

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Statement

Given an integer, n, representing the size of an n x n chessboard, return the number of distinct ways to place n queens so that no two queens attack each other. A queen can attack another queen if they are in the same row, column, or diagonal.

Constraints:

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