题目链接: PKU:http://poj.org/problem?id=1861 ZJU:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=542 Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the c…

题目连接:problemId=542" target="_blank">ZOJ 1542 POJ 1861 Network 网络 Network Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge Andrew is working as system administrator and is planning to establish a new network in his com…

POJ 2240 Arbitrage / ZOJ 1092 Arbitrage / HDU 1217 Arbitrage / SPOJ Arbitrage(图论,环) Description Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the same currency. For exa…

Network Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 14021   Accepted: 5484   Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the c…

Network Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 13266   Accepted: 5123   Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the c…

Arctic Network Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 2349 Appoint description:  System Crawler  (2015-06-01) Description The Department of National Defence (DND) wishes to connect seve…

Network Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 14103   Accepted: 5528   Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the c…

QS Network Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%lld & %llu Submit Status Practice ZOJ 1586 Appoint description:  System Crawler  (2015-05-31) Description Sunny Cup 2003 - Preliminary Round April 20th, 12:00 - 17:00 Problem…

Network Time Limit: 1000MS Memory Limit: 30000K Total Submissions: Accepted: Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the company, they can…

题目链接:http://poj.org/problem?id=2349 题目大意:有n个前哨,和s个卫星通讯装置,任何两个装了卫星通讯装置的前哨都可以通过卫星进行通信,而不管他们的位置. 否则,只有两个前哨之间的距离不超过D,才能通过无线电进行通信.求出能使所有前哨都能直接或间接通信的最小的D. 解题思路:题目要求使所有前哨都能直接或间接通信,那么相当于使n个点相连,至少需要n-1条边.可以将n个点分为s个团,每个团内部时无限通信,团与团之间通过卫星通信.那么就相当于用s个卫星装置建立s-1条边…