题目链接 java的水题,特判啊...依旧无法1Y. import java.util.*; import java.math.*; public class Main { public static void main(String[] args) { Scanner cin = new Scanner(System.in); int prim[] = new int[100]; int i,j,n,num; num = 0; BigInteger ans,temp,t; for(i = 2;…
Petya has a simple graph (that is, a graph without loops or multiple edges) consisting of n n vertices and m m edges. The weight of the i i -th vertex is a i ai . The weight of the i i -th edge is w i wi . A subgraph of a graph is some set of the g…