The Unique MST Time Limit: 1000MS Memory Limit: 10000K Description Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undirected graph G = (V, E). A spanning t…
题目链接 Description Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undirected graph G = (V, E). A spanning tree of G is a subgraph of G, say T = (V', E'), with the fol…
The Unique MST 时间限制: 10 Sec 内存限制: 128 MB提交: 25 解决: 10[提交][状态][讨论版] 题目描述 Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undirected graph G = (V, E). A spanning tre…
The Unique MST Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 35999 Accepted: 13145 Description Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undir…
次小生成树模板,别忘了判定不存在最小生成树的情况 #include <iostream> #include <cstdio> #include <cstring> using namespace std; + ; const int inf = 0x3f3f3f3f; int MAX[maxn][maxn], mp[maxn][maxn], dis[maxn], pre[maxn]; int t, n, m; bool vis[maxn], used[maxn][max…
The Unique MST Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 23942 Accepted: 8492 Description Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undire…
题目链接:http://poj.org/problem?id=1679 The Unique MST Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 31378 Accepted: 11306 Description Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spannin…
The Unique MST Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 22668 Accepted: 8038 Description Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undire…