洛谷 P2214 [USACO14MAR]哞哞哞Mooo Moo 洛谷传送门 JDOJ 2416: USACO 2014 Mar Silver 3.Mooo Moo JDOJ传送门 Description Problem 3: Mooo Moo [silver] [Brian Dean, 2014] Farmer John has completely forgotten how many cows he owns! He is too embarrassed to go to his fiel…

P2214 [USACO14MAR]哞哞哞Mooo Moo 题目描述 Farmer John has completely forgotten how many cows he owns! He is too embarrassed to go to his fields to count the cows, since he doesn't want the cows to realize his mental lapse. Instead, he decides to count his c…

Mooo Moo 时间限制: 1 Sec  内存限制: 64 MB提交: 5  解决: 4[提交][状态][讨论版] 题目描述 Farmer John has completely forgotten how many cows he owns!  He is too embarrassed to go to his fields to count the cows, since he doesn't want the cows to realize his mental lapse.  Ins…

链接:Miku ---------------------- 这道题还是个背包 --------------------- 首先看一下声音的组成,对于每一个农场的声音,它是由两部分组成的 :上一个农场的声音-1(如果有的话)+这个农场的声音(如果有的话) ,并且声音也之和上个农场的总声音有关(注意,总声音,上个)和这个农场,所以我们可以递推出每一个农场的声音. ----------------------- 那么每一个声音代表多少牛呢?这是一个完全背包问题.我们设dp[i]为声音为i的时候的最小…

题意: 解法: 首先给出在本题中连通和连通块的定义: 连通: 两个粒子a,b连通,当且仅当ax≤bx.ay≤by或者bx≤ax.by≤ay. 如图,A,B两粒子是连通的,而C.D不是. 可以看出,本题中连通的定义类似于无向边. 连通块: 一个有n个粒子的粒子集合S被称为连通块,当且仅当该集合内的粒子可以通过相互作用仅留下任意一个粒子. 左侧的A图中的四粒子属于同一连通块,而右侧的B图中四粒子分别属于两个连通块. 50分暴力: 显然,最少留下的粒子(以下简称为点)数等于连通块的总数,故本题可以转化…

大神们都在刷usaco,我也来水一水 1606: [Usaco2008 Dec]Hay For Sale 购买干草   裸背包 1607: [Usaco2008 Dec]Patting Heads 轻拍牛头 神转化,筛法 1609: [Usaco2008 Feb]Eating Together麻烦的聚餐  LIS 1610: [Usaco2008 Feb]Line连线游戏 排序 1611: [Usaco2008 Feb]Meteor Shower流星雨  BFS 1612: [Usaco2008…

Moo University - Financial Aid Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 6020 Accepted: 1792 Description Bessie noted that although humans have many universities they can attend, cows have none. To remedy this problem, she and her fe…

1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 631  Solved: 445[Submit][Status][Discuss] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height…

1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 489  Solved: 338[Submit][Status] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height h in the…

Description Bessie noted that although humans have many universities they can attend, cows have none. To remedy this problem, she and her fellow cows formed a new university called The University of Wisconsin-Farmside,"Moo U" for short. Not wish…