考虑证明一个答案必定为\((x + y)\)的循环节递归. 考虑到如果第二块比第一块答案大,则必定可以把第一块换为第二块增加答案. 且可以证明,如果\((x + y)\)是合法的,则整个序列合法. 那我们只要做出第一个循环节的dp,并考虑剩下的零散点的取值即可. #include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<=b;i++) int n,x,y,m,t,f[2][1<<22],ans; inline void…

D. Max and Bike Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/595/problem/D Description For months Maxim has been coming to work on his favorite bicycle. And quite recently he decided that he is ready to take part in a cy…

 Error Correct System Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 527B Description Ford Prefect got a job as a web developer for a small company that makes towels. His current work t…

3dsmax不同版本 pyside qt widget 设置 max 窗口为父窗口的方法 前言: 3dsmax 在 2014 extension 之后开始集成 Python 和 PySide,但是在版本2014 extension - 2015 中,当设置 qt UI 的父窗口为 max 主窗口的时候会报错,3dsmax2016 修复了这个bug,2017 和 2018 对 parenting qt widget to max main window 的方式都有所更新,下面来看看每个版本的具体方…

E. Correct Bracket Sequence Editor 题目连接: http://www.codeforces.com/contest/670/problem/E Description Recently Polycarp started to develop a text editor that works only with correct bracket sequences (abbreviated as CBS). Note that a bracket sequence…

说明:先添加weapon到点的约束,位置,方向约束都调整好了后再建立点到手,hip的父子关系,注意这个顺序 加点的方法 点设置成box的方法: http://hewiki.heroengine.com/wiki/Rigging_a_Versatile_Weapon_Bone_for_3ds_Max This is an advanced-level tutorial for artists, which explains how to configure a character-held ite…

D. Max and Bike For months Maxim has been coming to work on his favorite bicycle. And quite recently he decided that he is ready to take part in a cyclists' competitions. He knows that this year n competitions will take place. During the i-th competi…

E. Correct Bracket Sequence Editor   Recently Polycarp started to develop a text editor that works only with correct bracket sequences (abbreviated as CBS). Note that a bracket sequence is correct if it is possible to get a correct mathematical expre…

time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Recently Polycarp started to develop a text editor that works only with correct bracket sequences (abbreviated as CBS). Note that a bracket sequ…

今天查看Kafka 0.10.0的官方文档,发现了这样一句话:Configuration parameter replica.lag.max.messages was removed. Partition leaders will no longer consider the number of lagging messages when deciding which replicas are in sync. 即replica.lag.max.messages参数被正式地移除了,现在topic…