The Postal Worker Rings Once(UVA 117)最短路径—SPFA算法+邻接表 题目大意： 每个字符串的首字母和尾字母代表街道的两个路口，是双向的，字符串的长度是街道的长度，邮递员需要穿过所有的街道，求邮递员走的最短路径。 Visa mer Graph algorithms form a very important part of computer science and have a lineage that goes back at least to Euler and the famous Seven … Visa mer The input consists of a sequence of one or more postal routes. A route is composed of a sequence of street names (strings), one per line, and is terminated by the string ``deadend'' … Visa mer Given a sequence of streets (connecting given intersections) you are to write a program that determines the minimal cost tour that traverses every street at least once. The tour must … Visa mer For each postal route the output should consist of the cost of the minimal tour that visits all streets at least once. The minimal tour costs should be … Visa mer Webb13 sep. 2012 · 1.考虑当所有点度数均为偶数时，该图是欧拉图，因此任意一条欧拉回路都是答案. 2.当有两个点是奇度点的时候，只需找到这两点间的最短路径，将最短路径上的边 …

1237 -- The Postal Worker Rings Once

WebbThe Problem. Given a sequence of streets (connecting given intersections) you are to write a program that determines the minimal cost tour that traverses every street at least once. The tour must begin and end at the same intersection. The ``real-life'' analogy concerns a postal worker who parks a truck at an intersection and then walks all ... http://poj.org/problem?id=1237 cite github repo bibtex

Online Judge

WebbOnline-Judge-Solutions / UVA / I / 117 - The Postal Worker Rings Once.cpp Go to file Go to file T; Go to line L; Copy path Copy permalink; This commit does not belong to any … Webb117 - The Postal Worker Rings Once Useful Links Problem Statement Contents 1 Summary 2 Explanation 3 Input 4 Output Summary [ edit] This problem reduces to a Graph, by looking at each first or last character as a vertex, and the street name as an edge. Webb11 juni 2008 · sahand New poster Posts: 19 Joined: Sat Mar 12, 2005 4:56 pm Location: Halifax, Nova Scotia, Canada diane keaton turtleneck sweaters