采用克鲁斯卡尔算法求最小生成树；采用堆排序算法求当前权值最小的边；采用并集树算法判断等价类。当输入校园的布局后，可求得光纤网络的最佳铺设方案。

最小生成树，Remove one or more letters symbols from a text field, so as to achieve their own ends, so that some segments better use-Remove one or more letters symbols from a text field, so as to achieve their own ends, so that some segments better use