题意:给你一副无向图,求使s到t删掉一条的最短路最大的长度 题解:先预处理s,t到每个点的最短路,二分答案,对于一条边,如果选中这条边,那么对于s->u+u->v+v->t或者s->v+v->u+v->t必须比二分的答案大,如果比二分的答案小,那么单独存下来对于这些不满足的边,我们看是否存在s到t的桥,如果有,那么我们删掉桥,就能使这些不满足的边都满足条件,复杂度O(log(mw)m) //#pragma GCC optimize(2) //#pragma GCC op…

layout: post title: (寒假开黑gym)2018 USP Try-outs author: "luowentaoaa" catalog: true tags: mathjax: true - codeforces 传送门 付队! 许老师! B.Aesthetics in poetry (暴力模拟) #include<bits/stdc++.h> using namespace std; typedef long long ll; const ll mod=…

Getting Started with Unity 2018 - Third Edition: A Beginner's Guide to 2D and 3D game development with Unity Learn how to use Unity 2018 by creating your very own 3D game while developing your essential skills Key FeaturesLearn to create immersive 3D…

去掉敏感信息后的不完整版 ==========================================================================2018年12月29日 记录: 目前在维护的最低PHP版本只有5.6了:1.5.6.39版本convert.quoted-printable-encode过滤器时核心的segfault错误imap扩展的错误phar扩展的错误,PharData类提供了一个访问和创建不可执行的tar和zip存档的高级接口5.6.38版本apac…

2018年,世界杯小组赛已经在如火如荼的进行中.在上篇文章的基础上[2018世界杯:用Python分析热门夺冠球队],我们继续分析世界杯32强的实力情况,以期能够更进一步分析本次世界杯的夺冠热门球队. 三十年河东三十年河西,对于世界杯而言,这个时间可能4年就足够. 前几场爆冷,使得天台上已经拥挤不堪,跳水的股市更是让天台一度混乱. 在文章开始之前,提醒大家: 赌球有风险,看球须尽兴 本文的重点是通过分析32强之间的比赛,透过历史数据来预测夺冠热门球队. 本次分析的数据来源于 Kaggle, 包含…

该篇博客记录了观看WWDC Session227<Optimizing App Assets>的内容以及一些理解. 引言 该session主要讲述了使用Assets Catalog的新特性来优化App资源文件的部署. 主要从以下四个方面来进行: 压缩(Compression) 设计(Design)和生成(Production) 分类(Cataloging) 部署(Deployment) 压缩(Compression) 图片压缩是Asset Catalog的核心,也是Assets Catalog…

本文是Unity官方教程,性能优化系列的第三篇<Optimizing garbage collection in Unity games>的翻译. 相关文章: Unity性能优化(1)-官方教程The Profiler window翻译 Unity性能优化(2)-官方教程Diagnosing performance problems using the Profiler window翻译 Unity性能优化(3)-官方教程Optimizing garbage collection in Uni…

本文是Unity官方教程,性能优化系列的第四篇<Optimizing graphics rendering in Unity games>的翻译. 相关文章: Unity性能优化(1)-官方教程The Profiler window翻译 Unity性能优化(2)-官方教程Diagnosing performance problems using the Profiler window翻译 Unity性能优化(3)-官方教程Optimizing garbage collection in Uni…

传送门 Heavy Transportation Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 31882   Accepted: 8445 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever…

http://acm.timus.ru/problem.aspx?space=1&num=2018 真心爱过,怎么能彻底忘掉 题目大意: 长度为n的串,由1和2组成,连续的1不能超过a个,连续的2不能超过b个 dpa[i] 表示长度为i时以a为结尾的串的个数,dpb[i] 类似 求dpa[i]时 需要枚举结尾a的个数就可以了 dpb[i] 类似 #include <iostream> #include <stdio.h> #include <stdlib.h>…

Math.abs(~2018) 某前端群的入门问题长姿势了,一个简单的入门问题却引发了我的思考,深深的体会到自己在学习前端技术的同时忽略遗忘了一些计算机的基础知识. 对于 JS Math对象没什么可说的, Math.abs(x)指的是返回一个数的绝对值,而解题关键在“~2018”,乍一看,这是什么意思,不会是“-2018”符号打错了吧?细思一下才恍然大悟,这是取反操作符,故取相反数得结果为-2018,Math.abs(-2018) 即2018,大功告成!可是,输入进去发现,What!错误!Why…

Description Tom is a commander, his task is destroying his enemy’s transportation system. Let’s represent his enemy’s transportation system as a simple directed graph G with n nodes and m edges. Each node is a city and each directed edge is a directe…

Optimizing Performance: Data Binding .NET Framework 4.5 Other Versions   Windows Presentation Foundation (WPF) data binding provides a simple and consistent way for applications to present and interact with data. Elements can be bound to data from a…

Heavy Transportation Time Limit:3000MS     Memory Limit:30000KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 1797 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. B…

原地址:http://blog.sina.com.cn/s/blog_72b936d801013ptr.html icense Comparisons http://unity3d.com/unity/licenses#iphone Optimizing Graphics Performance http://unity3d.com/support/documentation/Manual/Optimizing Graphics Performance.html iOS A useful bac…

F - Heavy Transportation Time Limit:3000MS     Memory Limit:30000KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 1797 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand busines…

Heavy Transportation Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 26968   Accepted: 7232 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man…

题目链接:http://poj.org/problem?id=1797 Heavy Transportation Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 30840   Accepted: 8191 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand…

  Transportation Ruratania is just entering capitalism and is establishing new enterprising activities in many fields including transport. The transportation company TransRuratania is starting a new express train from city A to city B with several st…

Heavy Transportation Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 22440   Accepted: 5950 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man…

Heavy Transportation 题目链接: http://acm.hust.edu.cn/vjudge/contest/66569#problem/A Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him whether th…

You can verify the Linux networking kernel parms from the root user with these commands::Many Oracle professionals do not note the required setting for optimizing Oracle*Net on Oracle 10g release 2.  Here is a review of the suggested TCP/IP buffer pa…

Transportation Costs   Time Limit(Common/Java):2000MS/6000MS     Memory Limit:65536KByte Total Submit: 129            Accepted: 34 Description Minya Konka decided to go to Fuzhou to participate in the ACM regional contest at their own expense.Through…

A. New Year Transportation time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output New Year is coming in Line World! In this world, there are n cells numbered by integers from 1 to n, as a 1 × n b…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4940 Destroy Transportation system Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 21    Accepted Submission(s): 17 Problem Description Tom is a…

New Year Transportation Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Description New Year is coming in Line World! In this world, there are n cells numbered by integers from 1 to n, as a 1 × n board. Peo…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Apple Transportation Time Limit: 1 Second      Memory Limit: 32768 KB There's a big apple tree in the forest. In the tree there are N nodes (numbered from 0 to N - 1), and the nodes are conne…

Heavy Transportation Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 21037   Accepted: 5569 Description Background  Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man…

Goods transportation time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There are n cities located along the one-way road. Cities are numbered from 1 to n in the direction of the road. The i-…

Description New Year is coming in Line World! In this world, there are n cells numbered by integers from 1 to n, as a 1 × n board. People live in cells. However, it was hard to move between distinct cells, because of the difficulty of escaping the ce…