人生如梦，浮华一瞬间的专栏

Time Limit: 5000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 357    Accepted Submission(s): 158Problem DescriptionThe city executive board in Lund

问题描述　　为了增加公司收入，F公司新开设了物流业务。由于F公司在业界的良好口碑，物流业务一开通即受到了消费者的欢迎，物流业务马上遍及了城市的每条街道。然而，F公司现在只安排了小明一个人负责所有街道的服务。　　任务虽然繁重，但是小明有足够的信心，他拿到了城市的地图，准备研究最好的方案。城市中有n个交叉路口，m条街道连接在这些交叉路口之间，每条街道的首尾都正好连接着一个交叉路口。除开街道的首

Time Limit: 1000MS Memory Limit: 65536KTotal Submissions: 1120 Accepted: 587DescriptionOuroboros is a mythical snake from ancient Egypt. It has its tail in its mouth and contin

Time Limit: 1000MS Memory Limit: 65536KTotal Submissions: 8083 Accepted: 2722 Special JudgeDescriptionLittle Johnny has got a new car. He decided to drive around the town t

Problem DescriptionAnt Country consist of N towns.There are M roads connecting the towns.Ant Tony,together with his friends,wants to go through every part of the country.They intend to vis

Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6757    Accepted Submission(s): 2278Problem DescriptionSome of the secret doors conta

时间限制:10000ms单点时限:1000ms内存限制:256MB描述在上一回中小Hi和小Ho控制着主角收集了分散在各个木桥上的道具，这些道具其实是一块一块骨牌。主角继续往前走，面前出现了一座石桥，石桥的尽头有一道火焰墙，似乎无法通过。小Hi注意到在桥头有一张小纸片，于是控制主角捡起了这张纸片，只见上面写着：将M块骨牌首尾相连放置于石桥的凹糟

时间限制:10000ms单点时限:1000ms内存限制:256MB描述小Hi和小Ho最近在玩一个解密类的游戏，他们需要控制角色在一片原始丛林里面探险，收集道具，并找到最后的宝藏。现在他们控制的角色来到了一个很大的湖边。湖上有N个小岛(编号1..N)，以及连接小岛的M座木桥。每座木桥上各有一个宝箱，里面似乎装着什么道具。湖边还有一个船夫，船夫告诉主角。他可