作为我在这个OJ玩了一下午的终结吧. 水题一道,阅读理解OJ. 传送门:点我 Taxi At the peak hour, three taxi buses drove up at the same time, following one route, where the passengers immediately got crowded. The drivers found that the number of people in taxis is different, so they de…

Taxi Cab Scheme Time Limit: 5000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 231    Accepted Submission(s): 142 Problem Description Running a taxi station is not all that simple. Apart from the obvious deman…

一个针对出租车司机有效花费的推荐系统 摘要 GPS技术和新形式的城市地理学改变了手机服务的形式.比如说,丰富的出租车GPS轨迹使得出做租车领域有新方法.事实上,最近很多工作是在使用出租车GPS轨迹数据来开发手机推荐系统.这些系统可以推荐一系列的载客点,为了使得在最短的驾驶距离里最大可能地找到一个乘客.然而,在现实世界中,出租车的收入和有效的驾驶时间息息相关.换句话说,对一个出租车司机来说,在找到一个乘客前知道一个确切地驾驶路径来缩短驾驶时间更加重要.最后,在本文中,我们提出了开发一个收益比高的推…

Taxi Cab Scheme Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 5710   Accepted: 2393 Description Running a taxi station is not all that simple. Apart from the obvious demand for a centralised coordination of the cabs in order to pick up…

Description Last September, Hangzhou raised the taxi fares. The original flag-down fare in Hangzhou was 10 yuan, plusing 2 yuan per kilometer after the first 3km and 3 yuan per kilometer after 10km. The waiting fee was 2 yuan per five minutes. Passen…

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3600 Taxi Fare Time Limit: 2 Seconds      Memory Limit: 65536 KB Last September, Hangzhou raised the taxi fares. The original flag-down fare in Hangzhou was 10 yuan, plusing 2 yuan per kilo…

Taxi Trip Time Winners' Interview: 3rd place, BlueTaxi This spring, Kaggle hosted two competitions with the ECML PKDD conference in Porto, Portugal. The competitions shared a dataset but focused on different problems. Taxi Trajectory asked participan…

http://poj.org/problem?id=2060 Taxi Cab Scheme Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 5459   Accepted: 2286 Description Running a taxi station is not all that simple. Apart from the obvious demand for a centralised coordination…

Problem A: Taxi Fare Time Limit: 2 Seconds Memory Limit: 65536 KB Last September, Hangzhou raised the taxi fares. The original flag-down fare in Hangzhou was 10 yuan, plusing 2 yuan per kilometer after the first 3km and 3 yuan per kilometer after 10k…

Online Judge Problem Set Authors Online Contests User Web Board Home Page F.A.Qs Statistical Charts Problems Submit Problem Online Status Prob.ID: Register Update your info Authors ranklist Current Contest Past Contests Scheduled Contests Award Conte…

Taxi Cab Scheme 时间限制: 1 Sec  内存限制: 64 MB 题目描述 Running a taxi station is not all that simple. Apart from the obvious demand for a centralised coordination of the cabs in order to pick up the customers calling to get a cab as soon as possible,there is…

Text Captain Ben Fawcett has bought an unusual taxi and has begun a new serivice. The 'taxi' is a small Swiss aeroplane called a 'Pilatus Porter'. This wonderful plane can carry seven passengers. The most surprising thing about it, however, is that i…

题目地址:CF1100E Andrew and Taxi 二分,每次取到一个 \(mid\) ,只保留长度 \(>mid\) 的边 dfs判环,若有环,说明 \(ans>mid\) ,否则 \(ans≤mid\) 找到 \(ans\) 后,对长度 \(>ans\) 的边进行一次拓扑排序,对多余的点直接接在拓扑排序序列后面即可 对从 \(x\) 到 \(y\) 的长度 \(≤ans\) 的边,如果 \(x\) 在拓扑排序序列中的位置比 \(y\) 后,则这条边需取反 时间复杂度 \(O(n…

/* After the lessons n groups of schoolchildren went outside and decided to visit Polycarpus to celebrate his birthday. We know that the i-th group consists of si friends (1 ≤ si ≤ 4), and they want to go to Polycarpus together. They decided to get t…

最近在学Flink,准备用Flink搭建一个实时的推荐系统.找到一个好的网站(也算作是flink创始者的官方网站),上面有关于Flink的上手教程,用来练练手,熟悉熟悉,下文仅仅是我的笔记. 1. 数据集 网站New York City Taxi & Limousine Commission提供了关于纽约市从2009-1015年关于出租车驾驶的公共数据集. 具体数据下载方法,可见# Taxi Data Streams,下载完数据后,不要解压缩. 我们的第一个数据集包含纽约市的出租车出行的信息,每…

E. Andrew and Taxi time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Andrew prefers taxi to other means of transport, but recently most taxi drivers have been acting inappropriately. In orde…

实在太冷了今天 taxi :错误原因1 忽略了 1 1 1 1 和 1 2 1 这种情况,直接认为最多两组一车了 2 语句顺序错 double cola: 忘了减去n的序号1,即n-- B. Taxi time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output After the lessons n groups of schoolchi…

B. Taxi time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output After the lessons n groups of schoolchildren went outside and decided to visit Polycarpus to celebrate his birthday. We know that th…

CodeForces - 158B.Taxi (贪心) 题意分析 首先对1234的个数分别统计,4人组的直接加上即可.然后让1和3成对处理,只有2种情况,第一种是1多,就让剩下的1和2组队处理,另外一种是3多,那么结果就加上3的个数,再单独处理2. 对于1和2组队处理的讨论:首先分配2,有2种情况,一种是2正好分配完了,另外一种就2还剩下2个人(正好剩下1组).就一起处理这个2个人和1剩下的人. 把每次处理的结果都加起来即可. 代码 #include <iostream> #include &…

Description Running a taxi station is not all that simple. Apart from the obvious demand for a centralised coordination of the cabs in order to pick up the customers calling to get a cab as soon as possible,there is also a need to schedule all the ta…

洛谷题目链接:[USACO13FEB]出租车Taxi 题目描述 Bessie is running a taxi service for the other cows on the farm. The cows have been gathering at different locations along a fence of length M (1 <= M <= 1,000,000,000). Unfortunately, they have grown bored with their…

/** 题目:Taxi Cab Scheme UVALive - 3126 最小路径覆盖解法(必须是DAG,有向无环图) = 结点数-最大匹配 链接:https://vjudge.net/problem/UVALive-3126 题意:lv lrj训练指南P357 思路:最小路径覆盖(必须是DAG,有向无环图) = 结点数-最大匹配 最小路径覆盖:就是在图中找尽量少的路径,使得每个节点恰好在一条路径上(不同的路径不能有公共点),单独的结点也可以作为一条路径. 时间是一个天然的序,因此可以构图G如…

Description Running a taxi station is not all that simple. Apart from the obvious demand for a centralised coordination of the cabs in order to pick up the customers calling to get a cab as soon as possible,there is also a need to schedule all the ta…

题目描述 Bessie is running a taxi service for the other cows on the farm. The cows have been gathering at different locations along a fence of length M (1 <= M <= 1,000,000,000). Unfortunately, they have grown bored with their current locations and each…

http://codeforces.com/contest/1075/problem/B Palo Alto is an unusual city because it is an endless coordinate line. It is also known for the office of Lyft Level 5. Lyft has become so popular so that it is now used by all mm taxi drivers in the city,…

出租车(taxi) 题目描述 Bessie在农场上为其他奶牛提供出租车服务.这些奶牛已经在沿着长度为M(1<= M <= 1,000,000,000)的栅栏上不同的地点聚集等候.不幸的是,他们已经厌倦了他们当前所在的位置并且每只奶牛都想要沿着栅栏去别的地方走走. Bessie必须赶到这些奶牛的起始位置,并把他们带到它们的目的地.Bessie的车很小,所以她只能一次只能搭载一头奶牛.奶牛可以在同一时刻完成上车和下车. 为了节省燃气,Bessie想以尽可能少的燃料完成这次任务.N只奶牛的起始位置和…

http://codeforces.com/problemset/problem/158/B B. Taxi time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output After the lessons n groups of schoolchildren went outside and decided to visit Polyca…

题目链接:Taxi Taxi Time Limit: 1 Second      Memory Limit: 32768 KB As we all know, it often rains suddenly in Hangzhou during summer time.I suffered a heavy rain when I was walking on the street yesterday, so I decided to take a taxi back school. I foun…

CF-1100E Andrew and Taxi https://codeforces.com/contest/1100/problem/E 知识点: 二分 判断图中是否有环 题意: 一个有向图,每边有一条边权,对于一个值x,可以使得边权小于等于x的边反转,求最小的x,使得某些边反转之后图中没有环 分析:Suppose we have k traffic controllers. They can turn all edges whose weight is less than or equal…

Problem description After the lessons n groups of schoolchildren went outside and decided to visit Polycarpus to celebrate his birthday. We know that the i-th group consists of sifriends (1 ≤ si ≤ 4), and they want to go to Polycarpus together. They…