Package g0001_0100.s0052_n_queens_ii
Class Solution
- java.lang.Object
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- g0001_0100.s0052_n_queens_ii.Solution
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public class Solution extends Object
52 - N-Queens II\. Hard 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**_. **Example 1:**  **Input:** n = 4 **Output:** 2 **Explanation:** There are two distinct solutions to the 4-queens puzzle as shown. **Example 2:** **Input:** n = 1 **Output:** 1 **Constraints:** * `1 <= n <= 9`
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Constructor Summary
Constructors Constructor Description Solution()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
totalNQueens(int n)
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