Trip Planning Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Practice UVALive 4261 Description You are going on a long trip. Initially, you stay at hotel 0. Along the way, there are n<tex2html_verbatim_mark&g…
题目链接:http://poj.org/problem?id=1041 题目: 题意:给你n条街道,m个路口,每次输入以0 0结束,给你的u v t分别表示路口u和v由t这条街道连接,要输出从起点出发又回到起点的字典序最小的路径,如果达不到输出Round trip does not exist. 思路:首先得判断是否存在欧拉回路,如果不存在则输出“Round trip does not exist.”.记录每个路口的度,如果存在度为奇数得路口则是不存在欧拉回路得图,否则用mp[u][t]=v来表…
Description We give the following inductive definition of a “regular brackets” sequence: the empty sequence is a regular brackets sequence, if s is a regular brackets sequence, then (s) and [s] are regular brackets sequences, and if a and b are regul…
Road Networks Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Practice UVALive 4262 Description There is a road network comprised by M<tex2html_verbatim_mark> roads and N<tex2html_verbatim_mark> citie…
Compromise In a few months the European Currency Union will become a reality. However, to join the club, the Maastricht criteria must be fulfilled, and this is not a trivial task for the countries (maybe except for Luxembourg). To enforce that Ger…
FatMouse believes that the fatter a mouse is, the faster it runs. To disprove this, you want to take the data on a collection of mice and put as large a subset of this data as possible into a sequence so that the weights are increasing, but the speed…
