LightOJ-1355 Game of CS
Game of CS(LightOJ-1355) 题面 Jolly and Emily are two bees studying in Computer Science. Unlike other bees they are fond of playing two-player games. They used to play Tic-tac-toe, Chess etc. But now since they are in CS they invented a new game that definitely requires some knowledge of computer science. Initially they draw a random rooted tree (a connected graph with no cycles) in a paper which consists of n nodes, where the nodes are numbered from 0 to n-1 and 0 is the root, and the edges are weighted. Initially all the edges are unmarked. And an edge weigh w, has w identical units. ...