将奶牛的状态用序列$\{a_{1},a_{2},...,a_{m}\}$来描述,其中$a_{i}$表示第$i$头奶牛的位置(奶牛数量为$m$) 下面,先来考虑对于某个特定的$m$如何处理: 对于一条简单路径,如果路径中(不包括端点)所有点度数均为2且端点的度数均不为2(允许为1),则称该路径为一条"链",显然树上每一条边都恰属于一条链 对于一条链,假设链上的点(包括端点)构成的集合为$C$,删去$C$中的点后被划分为$A$和$B$两个连通块 记$k=|C|-(n-m)$,若存在$k\g…

11.7 A circus is designing a tower routine consisting of people standing atop one another's shoulders. For practical and aesthetic reasons, each person must be both shorter and lighter than the person below him or her. Given the heights and weights o…

C. Ancient Berland Circus time limit per test 2 seconds memory limit per test 64 megabytes input standard input output standard output Nowadays all circuses in Berland have a round arena with diameter 13 meters, but in the past things were different.…

Game of Flying Circus Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5515 Description The discovery of anti-gravitations technology changed the world. The invention of anti-gravitation shoes (Grav-shoes) enable…

一直需要一个项目管理系统,一直没时间弄. taiga是github上搜project management star最多的项目,又是基于django用python写的后端,所以就用它: 但是,集中精力折腾了一下,给我的感觉并不好. taiga的部署,总的来说非常难受. 我没想到一个后端用django做api 前端coffee-script的玩意,竟然搞这么多配置文件,各种配置项互相引用. 它完全没赶上容器化的趋势,没有提供官方的docker镜像. 官方的部署教程, 读下来总体感觉就是乱.东1个配…

C. Ancient Berland Circus 题目连接: http://www.codeforces.com/contest/1/problem/C Description Nowadays all circuses in Berland have a round arena with diameter 13 meters, but in the past things were different. In Ancient Berland arenas in circuses were s…

1C - Ancient Berland Circus 思路: 求出三角形外接圆: 然后找出三角形三条边在小数意义下的最大公约数; 然后n=pi*2/fgcd; 求出面积即可: 代码: #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <algorithm> using namespace std; #define INF (1e9…

Nowadays all circuses in Berland have a round arena with diameter 13 meters, but in the past things were different. In Ancient Berland arenas in circuses were shaped as a regular (equiangular) polygon, the size and the number of angles could vary fro…

如果直接使用以下的docker-compose 文件部署会有通过多播通信获取endpoint 异常的问题(circus 在stats endpoint 获取少了一个c) 这个问题是部分网络情况下会出现(多播包异常) version: "3" services: circus: image: dalongrong/circus:3.7-slim-stretch ports: - "9999:9999" - "5555:5555" volumes:…

转自:https://circus.readthedocs.io/en/latest/design/security/ Circus is built on the top of the ZeroMQ library and comes with no security at all in its protocols. However, you can run a Circus system on a server and set up an SSH tunnel to access it fr…