Jav G-queen !!exclusive!! 〈Web PREMIUM〉
She remembered a fan letter she had received once. It was polite, neatly handwritten. “Thank you for your work. When I watch you, I don’t feel alone.”
The backtrack method checks if the current row is the last row, and if so, adds the current board configuration to the result list. Otherwise, it tries to place a queen in each column of the current row and recursively calls itself. jav g-queen
for (int col = 0; col < board.length; col++) if (isValid(board, row, col)) board[row][col] = 'Q'; backtrack(result, board, row + 1); board[row][col] = '.'; She remembered a fan letter she had received once