局部搜索法求解N皇后问题。这个算法的特点是引入随机因素，每次运行并不能保证求得问题的最优解，但经过运行之后，一般总能得到一个与最优解相差不大的满意解。-Local Search Method for Solving N Queens problem. The algorithm is characterized by the introduction of random factors, each running and can not guarantee to achieve the opti