algzjh的博客

A Bug’s LifeTime Limit: 10000MS Memory Limit: 65536K Total Submissions: 36601 Accepted: 11961 DescriptionBackground Professor Hopper is researching the sexual behavior of a rare species

1004: Xi and BoSubmit Page Summary Time Limit: 1 Sec Memory Limit: 128 Mb Submitted: 950 Solved: 363 Description Bo has been in Changsha for four years. However he spends most of h

1904: 精灵的交际网Submit Page Summary Time Limit: 1 Sec Memory Limit: 128 Mb Submitted: 12 Solved: 2 Description 天才少女科学家Cicini正在研究某种罕见的精灵的交际行为。她认为这些精灵只会与自己性别相反的精灵发生谈话，这些精灵一共也只有两种性别。在她的实验

int Find(int x){ return fa[x]==x?x:fa[x]=Find(fa[x]); } void unite(int x,int y) {int fx=Find(x),fy=Find(y);if(fx!=fy) fa[fx]=fy;}

Artwork Description A template for an artwork is a white grid of n × m squares. The artwork will be created by painting q horizontal and vertical black strokes. A stroke starts from square (x1, y1...