include的背后是微不足道的开始

Power NetworkTime Limit: 2000MS Memory Limit: 32768KTotal Submissions: 29855 Accepted: 15447DescriptionA power network consists of nodes (power stations, consumers and dispatchers) connected by power ...

Drainage DitchesTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 82153 Accepted: 31914DescriptionEvery time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch....