摘要:
UVA10815 注意输出流的用法。 Misha and Changing Handles Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can 阅读全文
摘要:
Problem Description The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i < j and ai > aj.For 阅读全文