[题意]: 有些公司将在Byteland举办公平的会议.Byteland的n个城镇,m条两镇之间的双向道路.当然,你可以使用道路从任一个城镇到达任何城镇. 有k种商品产自Byteland,并且每个城镇只生产一种类型.为了举办公平,你必须至少带来s种不同种类的商品. [It costs d(u,v) coins to bring goods from town u to town v where d(u,v)d (u , v ) is the length of the shortest path…
题目描述 Some company is going to hold a fair in Byteland. There are n n n towns in Byteland and m m m two-way roads between towns. Of course, you can reach any town from any other town using roads. There are k k k types of goods produced in Byteland and…
Borg Maze Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7844 Accepted: 2623 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to descr…
宽度优先搜索(BFS) #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> #include<queue> #define x first #define y second using namespace std; typedef pair<int,int> PII; const int N=210; char g[N][N]; int d…