八皇后问题：在8行8列的棋盘上放置8个皇后，使任一个皇后都不能吃掉其他的7个皇后（注：皇后可吃掉与她处于同行或同列或同一对角线上的其他棋子），并将结果以某种方式显示出来。-Eight queens problem: in 8 rows and 8 columns of the board to place eight queens, so the Queen could not eat any of the other seven Queen (Note: Queen can eat with her peers or in the same column or the same diagonal other pieces), and the results are displayed in some way.