问题的提出：编写一个长途电话计费程序，计费规则是每6秒钟0.06元，要求能输入发话地、收话地，输出话费。其不能相互攻击，即任意两个皇后不能处于

棋盘的同一行、同一列和同一条对角线上。-Of the problem: write a long-distance telephone billing procedures, billing rules is 0.06 yuan per six seconds, required to enter the speaker, the closing words, the output 话费. It can not attack each other, that any two of the Queen can not board the same row in the same column and the same diagonal.