Innovation is not just about technology; it's about changing the way we think and operate.
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
小说是一种永远处于危机中、濒临消失边缘的艺术形式,而这正是它保持生命力的原因。
你最大的竞争对手是你自己。