wybooooooooo的博客

链接：https://www.nowcoder.com/acm/contest/145/C来源：牛客网 时间限制：C/C++ 2秒，其他语言4秒空间限制：C/C++ 262144K，其他语言524288KSpecial Judge, 64bit IO Format: %lld题目描述A binary string s of length N = 2n is given. You...

 54.19%  2000ms  262144KMorgana is playing a game called cacti lottery. In this game, morgana has a 3 \times 33×3 grid graph, and the graph is filled with 11 ~ 99 , each number appears only once. T...

Morgana is learning computer vision, and he likes cats, too. One day he wants to find the cat movement from a cat video. To do this, he extracts cat features in each frame. A cat feature is a two-dime...