题面 因为每次只能载一头牛,所以总路程=每头牛的距离+回头路的最短距离,于是问题变成了如何求回头路的最短距离 我们可以把起点和终点存在两个数组里,然后将两个数组排序后取对应位置相减的绝对值就是每次走回头路的最短距离.然后鬼畜的地方来了,Bessie的起点和终点是特殊的,我们要将她的起点放入终点的数组,终点放入起点的数组. 你问为什么Bessie的要特殊考虑么?我太蒻了,我也不知道啊=.= 网上的题解并没有任何一个严谨地说明了为什么要把Bessie的起点和终点特殊处理,然后USACO的官方题解并没…

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…

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…

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…

Taxi bzoj-3062 Usaco13Feb 题目大意:有n个奶牛想坐出租车.第i头奶牛在起点a[i]等候,想坐出租车到b[i].Bessie从0出车,车上只能坐一头奶牛.她必须完成所有奶牛的要求而且她必须从0到m. 注释:$1\le n\le 10^5$,$1\le m\le 10^9$,1$\le$a[i],b[i]$\le$m.Bessie可以不用将一头奶牛一次性从起点送到重点,也就是说她可以中途扔下奶牛. 想法:好题!完全没想到,看了题解之后还想了很久题解为什么对.我们将所有的起点…

Taxi Cab Scheme Time Limit: 10000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 135064-bit integer IO format: %I64d      Java class name: Main   Running a taxi station is not all that simple. Apart from the obvious demand f…

只用于个人的学习和总结. 178. Rank Scores 一.表信息 二.题目信息 对上表中的成绩由高到低排序,并列出排名.当两个人获得相同分数时,取并列名次,且名词中无断档. Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking number should…

新生初赛题目.解题思路.参考代码一览 A. 拒绝虐狗 Problem Description CZJ 去排队打饭的时候看到前面有几对情侣秀恩爱,作为单身狗的 CZJ 表示很难受. 现在给出一个字符串代表 CZJ 前面的队列.你可以帮他一把把那些情侣分开吗? Input 第一行是一个\(T\),代表数据的组数\(T\)(\(T\leq 100\)). 每组一个只包含大写字母的字符串\(p\)(\(1\leq len_{p}\leq 1000\)),表示 CZJ 前面的队列,保证不会有连续三个及以上…

新生初赛题目.解题思路.参考代码一览 1001. 无聊的日常 Problem Description 两位小朋友小A和小B无聊时玩了个游戏,在限定时间内说出一排数字,那边说出的数大就赢,你的工作是帮他们统计他们获胜的次数. Input 第一行是一个T,代表游戏的次数T(T≤1000).每组两个整数p,y(1≤p≤\(10^{100}\),1≤y≤\(10^{100}\)),分别表示两位小朋友说出的数字. Output 输出两个数,A和B获胜的次数.后面没有换行,仅此一题 Sample Input…