CF240E Road Repairs
最小树形图+输出方案
输出方案的话记录一下哪些边 然后记得最后拆环要倒着拆就行了
CF240E Road Repairs的更多相关文章
- CF240E Road Repairs(最小树形图-记录路径)
A country named Berland has n cities. They are numbered with integers from 1 to n. City with index 1 ...
- Codeforces 240E. Road Repairs 最小树形图+输出路径
最小树形图裸题,只是须要记录路径 E. Road Repairs time limit per test 2 seconds memory limit per test 256 megabytes i ...
- Asphalting Roads(翻译!)
Description City X consists of n vertical and n horizontal infinite roads, forming n × n intersectio ...
- Codeforces Round #323 (Div. 2) A 水
A. Asphalting Roads time limit per test 1 second memory limit per test 256 megabytes input standard ...
- POJ3352 Road Construction(边双连通分量)
...
- POJ3352 Road Construction (双连通分量)
Road Construction Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Sub ...
- poj 3352 Road Construction【边双连通求最少加多少条边使图双连通&&缩点】
Road Construction Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10141 Accepted: 503 ...
- POJ3352 Road Construction 双连通分量+缩点
Road Construction Description It's almost summer time, and that means that it's almost summer constr ...
- 【Tarjan缩点】PO3352 Road Construction
Road Construction Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 12532 Accepted: 630 ...
随机推荐
- 2018 ACM-ICPC 中国大学生程序设计竞赛线上赛 D Merchandise (斜率优化)
Description: The elderly aunts always like to look for bargains and preferential merchandise. Now th ...
- Slide Window 专题
992. Subarrays with K Different Integers 给定一个正整数数组,计算刚好有K个不同数的子数组的个数.(For example, [1,2,3,1,2] has 3 ...
- [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:lovemu' did not find a matching property.
[SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.js ...
- 各操作系统下php.ini文件的位置在哪里
这个问题虽然说很小,但是却还是经常会出现的问题,特别是刚入门php的同学更是如此.而这个问题呢,我也经常被问到,所以就在这里总结一下. 首先php.ini文件并不是隐藏文件,寻找php.ini文件的方 ...
- php匿名函数和闭包的理解
PHP匿名函数和闭包使用的句法与普通函数相同,但匿名函和闭包数其实是伪装成函数的对象. 匿名函数:就是没有名称的函数.匿名函数可以赋值给变量,对象传递.不过匿名函数仍是函数,因此可以调用,还可以传入参 ...
- MYSQL之union和order by分析([Err] 1221 - Incorrect usage of UNION and ORDER BY)
我在一个业务中采用了按月的分表策略,当查询的条件跨月的时候,使用了union all汇总2个表的数据,并按插入时间倒序排列.查询并不复杂,但是当执行的时候却报错了. SELECT * FROM `ta ...
- PHP csv导出数据 (二)
全部导出和时间导出 html代码,全程并不需要引用什么插件 <include file="public@header"/> <link href="__ ...
- Java多线程,实现卖电影票的业务
本篇重点:多线程共享资源时发生的互斥问题 一般的我们售卖电影票或者火车票时会有多个窗口同时买票, 我们来看测试代码:主方法new一个Ticket(一个堆),之后三个线程来启动(三个窗口买票) clas ...
- The server time zone value 'EDT' is unrecognized or represents more than one time zone
解决: (1)使用 server mysql start命令启动mysql (2)在mysql中执行show variables like '%time_zone%'; (3)输入select now ...
- 用BP人工神经网络识别手写数字
http://wenku.baidu.com/link?url=HQ-5tZCXBQ3uwPZQECHkMCtursKIpglboBHq416N-q2WZupkNNH3Gv4vtEHyPULezDb5 ...