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The input consists of more than one description of town (but totally, less than ten descriptions). Every description starts with number N of towns and number M of pairs of towns directly connected each other. The integers N and M are separated by a s…
Problem D: Servicing stations A company offers personal computers for sale in N towns (3 <= N <= 35). The towns are denoted by 1, 2, ..., N. There are direct routes connecting M pairs from among these towns. The company decides to build servicing st…
Servicing stations A company offers personal computers for sale in N towns (3 <= N <= 35). The towns are denoted by 1, 2, ..., N. There are direct routes connecting M pairs from among these towns. The company decides to build servicing stations in s…
[题目链接] LInk [题目大意] 给出一些点和边,选择一个点就能把这个点和相邻的点都覆盖,求最小点覆盖 [题解] 我们压缩点被覆盖的状态,迭代加深搜索覆盖的最小点数, 当剩余的点全部选上时都无法完全覆盖就剪枝. [代码] #include <cstdio> #include <algorithm> using namespace std; typedef long long LL; const int N=36; int i,n,m,x,y,limit; LL st[N],Lf…
※Recorded By ksq2013 //其实这段时间写的题远远大于这篇博文中的内容,只不过那些数以百记的基础题目实在没必要写在blog上; ※week one 2016.7.18 Monday a)bzoj4034[HAOI2015 T2](树链剖分+线段树) http://blog.csdn.net/keshuqi/article/details/51944955 b)luogu1328[NOIP2014 T1]生活大爆炸版石头剪刀布(模拟) http://blog.csdn.net/k…
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Destroying the bus stations                                                                                     Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)                                                       …