private boolean isValid(char[][] board, int row, int col) int n = board.length; // Check this row on left side for (int i = 0; i < col; i++) if (board[row][i] == 'Q') return false;
Given an integer n , return all possible configurations of the board where n queens can be placed such that no two queens attack each other. A queen can attack horizontally, vertically, or diagonally. jav g-queen
public GQueen(int boardSize) this.boardSize = boardSize; this.board = new int[boardSize]; private boolean isValid(char[][] board, int row, int col)