摘要:
Description Rami went back from school and he had an easy homework about bitwise operations (and,or,..) The homework was like this : You have an equat 阅读全文
摘要:
Description A group of junior programmers are attending an advanced programming camp, where they learn very difficult algorithms and programming techn 阅读全文
摘要:
Description Tourist likes competitive programming and he has his own Codeforces account. He participated in lots of Codeforces Rounds, solved so many 阅读全文