摘要：
DescriptionKolya has returned from a summer camp and now he's a realcommunication fiend. He spends all his free time on the Web chatting with his friends via ICQ. However, lately the protocol of this service was changed once again, and Kolya's client stopped working. Now, in order to communi 阅读全文
摘要：
DescriptionIn whiteblack on blackwhite is written the utterance that has been censored by the Ministry of Truth. Its author has already disappeared along with his whole history, and now, while Big Brother is watching somebody else, you, as an ordinary official of the Minitrue, have to delete some le 阅读全文
摘要：
DescriptionSergey and Denis closely followed the Chinese Football Championship, which has just come to an end. They supported theKatrapsandKomolotivteams, but, unfortunately, these teams tied for last place in the championship. Sergey was so disappointed that he suggested Denis that they change to h 阅读全文
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DescriptionYou have just run out of disk space and decided to delete some of your directories. Rationally, you will first have an exploration of what you have in your file system. And more rationally, you will do this exploration through a command line interface. The interface used in this problem i 阅读全文