八皇后问题是指，在国际象棋棋盘中，放置八个棋子使彼此吃不掉，即彼此不在一条横线，竖线和斜线上。八皇后问题要求八个皇后彼此吃不掉，也就是要求彼此不在同一直线，横线，竖线上，可以通过一个函数，考虑斜率来实现该问题。-Eight queens problem is that, in the international chess board, the place can not afford to eat eight pieces to each other, that is not in a line with each other, vertical and diagonal lines on. Eight queens problem requires eight Queen can not afford to eat each other, that is, asked each other not in the same straight line, horizontal line, vertical line, you can by a function, consider the slope to achieve the problem.