传送门 The Robotics Olympiad teams were competing in a contest. There was a tree drawn on the floor, consisting of n nodes and n - 1 edges. The nodes are numbered from 1 to n, and each edge has a weight. The tree is rooted at the first node. q teams are…

G. Robots time limit per test 5.0 s memory limit per test 256 MB input standard input output standard output The Robotics Olympiad teams were competing in a contest. There was a tree drawn on the floor, consisting of n nodes and n - 1 edges. The node…

Gym - 101915A  Printing Books 题意:有一本书,从第X页开始,一共用了n位数字,求此书一共多少页.99就是两位数字,100就是三位数字. 思路:直接模拟即可,我用了一个high和一个low,因为我把数字按位数分成了几个部分,1-9,10-99,100-999等(实际上high会等于1000),这样就会low = 100,high = 999之类的了,如果遇到边界,比如刚开始时,low和high有所调整,比如low=x,high=999,以方便计算. #include<…

Vitaly works at the warehouse. The warehouse can be represented as a grid of n × m cells, each of which either is free or is occupied by a container. From every free cell it's possible to reach every other free cell by moving only through the cells s…

题意 链接给你一个n*m的地图,'#'代表墙,‘.’代表可走的,1代表1号机器人,2代表2号机器人,机器人可以上下左右移动到非墙的位置,但不能走到另一个机器人身上.问能否交换1和2的位置. 分析 如果1和2之间有路径且路径上某个点的度大于2,那就是YES,如果1和2的路径构成一个回路也是YES.其他情况就是NO. 代码 #include<cstdio> #define N 200005 int n,m,ux,uy,ax,ay,a[N],u[N],ck,ans,fx[4]= {1,-1,0,0}…

Problem K. Kitchen Robot Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100610 Description Robots are becoming more and more popular. They are used nowadays not only in manufacturing plants, but also at home. One programmer wit…

题目链接:http://codeforces.com/gym/100971/problem/J Vitaly works at the warehouse. The warehouse can be represented as a grid of n × m cells, each of which either is free or is occupied by a container. From every free cell it's possible to reach every ot…

题目链接:http://codeforces.com/gym/100971/problem/J J. Robots at Warehouse time limit per test 2.0 s memory limit per test 256 MB input standard input output standard output Vitaly works at the warehouse. The warehouse can be represented as a grid of n ×…

layout: post title: (寒假开黑gym)2018 ACM-ICPC, Syrian Collegiate Programming Contest author: "luowentaoaa" catalog: true tags: mathjax: true - codeforces 传送门 付队! 许老师! Hello SCPC 2018! (签到) #include<bits/stdc++.h> using namespace std; typedef…

介绍 OpenAI Gym是一款用于研发和比较强化学习算法的工具包,它支持训练智能体(agent)做任何事——从行走到玩Pong或围棋之类的游戏都在范围中. OpenAI Gym 是一个用于开发和比较RL 算法的工具包,与其他的数值计算库兼容,如tensorflow 或者theano 库.现在主要支持的是python 语言,以后将支持其他语言.官方提供的gym文档. OpenAI Gym包含两部分: gym 开源 包含一个测试问题集,每个问题成为环境(environment),可以用于自己的强化…