(1) 随机算法能求解的问题类型和实例。 (2) 求解最近点对问题的方法。 (3) 目前求解最近点对问题的常用算法中，最快的算法时间复杂度是多少 -(1) the problem types and instances can be solved by the random algorithm. (2) the method of solving the problem of the nearest point. (3) at present, the time compl