摘要:
BookingPierre is in great trouble today! He is responsible for managing the bookings for the ACM (Acco- modation with Moderate Cos... 阅读全文
摘要:
Do the UntwistTime Limit: 2 Seconds Memory Limit: 65536 KBCryptography deals with methods of secret communication that transform ... 阅读全文
摘要:
Fire NetTime Limit: 2 Seconds Memory Limit: 65536 KBSuppose that we have a square city with straight streets. A map of a city is ... 阅读全文