摘要：
NetworkTime Limit:1000MSMemory Limit:30000KTotal Submissions:11041Accepted:4200Special JudgeDescriptionAndrew 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 be connected to each other using cables. Since eac 阅读全文
摘要：
NetworkTime 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 company. There will be N hubs in the company, they can be connected to each other using cables. Since each worker of the company must have acc 阅读全文
摘要：
SwordfishTime Limit: 2 Seconds Memory Limit: 65536 KB There exists a world within our worldA world beneath what we call cyberspace.A world protected by firewalls,passwords and the most advancedsecurity systems.In this world we hideour deepest secrets,our most incriminating information,and of course, 阅读全文