idooooo的博客

Description An entropy encoder is a data encoding method that achieves lossless data compression by encoding a message with "wasted" or "extra" information removed. In other words, entropy encoding

Description The magician shuffles a small pack of cards, holds it face down and performs the following procedure: The top card is moved to the bottom of the pack. The new top card is dealt face up on

DescriptionThe island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has a very poor system of public highways. The Flatopian government is aware of this problem and has already construc

青蛙的约会 Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 114896   Accepted: 23610 Description 两只青蛙在网上相识了，它们聊得很开心，于是觉得很有必要见一面。它们很高兴地发现它们住在同一条纬度线上，于是它们约定各自朝西跳，直到碰