A Tour of Go Forever

这道题也可以用深搜做,可以深搜本来就不熟,好久没做早忘了,明天看看咋做的 Description Weiwei is a software engineer of ShiningSoft. He has just excellently fulfilled a software project with his fellow workers. His boss is so satisfied with their job that he decide to provide them a free

Cyclic Tour Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/65535 K (Java/Others) Total Submission(s): 1879    Accepted Submission(s): 938 Problem Description There are N cities in our country, and M one-way roads connecting them. Now L

F - Tour Belt Time Limit:3000MS     Memory Limit:0KB     64bit IO Format:%lld & %llu Submit Status Practice UVALive 4848 Description Korea has many tourist attractions. One of them is an archipelago (Dadohae in Korean), a cluster of small islands sca

累了就要写题解,最近总是被虐到没脾气. 来回最短路问题貌似也可以用DP来搞,不过拿费用流还是很方便的. 可以转化成求满流为2 的最小花费.一般做法为拆点,对于 i 拆为2*i 和 2*i+1,然后连一条流量为1(花费根据题意来定) 的边来控制每个点只能通过一次. 额外添加source和sink来控制满流为2. 代码都雷同,以HDU3376为例. #include <algorithm> #include <iostream> #include <cstring> #in

题目链接 Treeland Tour 题目就是让你求树上LIS 先离散化,然后再线段树上操作.一些细节需要注意一下. #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i(a); i <= (b); ++i) #define dec(i, a, b) for (int i(a); i >= (b); --i) typedef long long LL; const int N =

Tour Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 2299    Accepted Submission(s): 1151 Problem Description In the kingdom of Henryy, there are N (2 <= N <= 200) cities, with M (M <= 3000

在一台计算机上手动跑Node项目简单,node xx.js就搞定了,想让Node项目后台执行,尽管不能直接用node命令搞定,可是在安装了forever这个包以后.还是非常轻松的.只是要是在远程server上构建Node项目.假设没法自启动.一旦server重新启动,那么项目必须通过管理员远程手动开启才干够执行. 那么是否能利用forever加启动脚本方式解决上述问题呢?答案当然是肯定的.仅仅只是有点麻烦.并且forever官方缺少具体的配置文档.我在配置的时候也走了一些弯路,以下具体来说. 注

Tour Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 3159    Accepted Submission(s): 1525 Problem Description In the kingdom of Henryy, there are N (2 <= N <= 200) cities, with M (M <= 30000

Sightseeing tour Description The city executive board in Lund wants to construct a sightseeing tour by bus in Lund, so that tourists can see every corner of the beautiful city. They want to construct the tour so that every street in the city is visit