Introduction - If you have any usage issues, please Google them yourself
There are eight queens on the 8 x 8 chess set, so that they can not attack each other, that is, any two Queens can not be in the same line, the same column or the same slash, and ask how many kinds of pendulum methods. Gauss thinks there are 76 kinds of solutions. After the invention of computer, there are various computer languages to solve this problem.