摘要:
时间限制:10000ms单点时限:1000ms内存限制:256MB描述Given a sequence {an}, how many non-empty sub-sequence of it is a prefix of fibonacci sequence.A sub-sequence is a ... 阅读全文
摘要:
时间限制:5000ms单点时限:1000ms内存限制:256MB描述Given a circle on a two-dimentional plane.Output theintegralpoint in or on the boundary of the circle which has the ... 阅读全文