HXYerror的博客

畅通工程续： 某省自从实行了很多年的畅通工程计划后，终于修建了很多路。不过路多了也不好，每次要从一个城镇到另一个城镇时，都有许多种道路方案可以选择，而某些方案要比另一些方案行走的距离要短很多。这让行人很困扰。 现在，已知起点和终点，请你计算出要从起点到终点，最短需要行走多少距离。 Input： 本题目包含多组数据，请处理到文件结束。 每组数据第一行包含两个正整数N和M(0<N<200,...

A Walk Through the Forest ：Dijkstra 还没弄明白dfs部分题意 Jimmy experiences a lot of stress at work these days, especially since his accident made working difficult. To relax after a hard day, he likes to walk...

Eddy’s picture：kruskal Eddy begins to like painting pictures recently ,he is sure of himself to become a painter.Every day Eddy draws pictures in his small room, and he usually puts out his newest pic...