摘要：
C. Petya and File Systemtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently, on a programming lesson little Petya showed how quickly he can create files and folders on the computer. But he got soon fed up with this activity, and he decided t 阅读全文
摘要：
E -Petya and PostTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 66EDescriptionLittle Vasya's uncle is a postman. The post offices are located on one circular road. Besides, each post office has its own gas station located next to it. Petya&# 阅读全文