【USACO 2015 Dec Gold】Fruit Feast Description Bessie has broken into Farmer John's house again! She has discovered a pile of lemons and a pile of oranges in the kitchen (effectively an unlimited ...
【USACO 2015 Dec Gold】Fruit Feast Description Bessie has broken into Farmer John's house again! She has discovered a pile of lemons and a pile of oranges in the kitchen (effectively an unlimited ...
4397: [Usaco2015 dec]Breed Counting 【题目描述】 传送门 【题解】 简单的hash。 代码如下 #include<cstdio> using namespace std; int n,m,hsh[100005][5]; int main(){ #ifndef ONLINE_...
【题目链接】 点击打开链接 【思路要点】 ... 对模式串的集合建立AC自动机，让主串在上面匹配，每遇到一个模式串的末尾便将其删去即可。... 时间复杂度O(∑|S|)O(∑|S|)O(\sum|S|)。...const int MAXN =...
A. Censoring ...Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waiting around in the barn ...
传送门ber～ KMP在匹配主串时如果能匹配到一个子串，就将这个子串弹掉 从该子串前一个位置继续匹配 也可以用AC自动机实现 代码如下： #include #include #define N 1000050 ...inline void GetNext(){
BZOJ3940: [Usaco2015 Feb]Censoring Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waiting around ....
题目 题目描述 Bessie and her sister Elsie want to travel from the barn to their favorite field, such that they leave at exactly the same time from the barn, and also arrive at exactly the same ...
3890: [Usaco2015 Jan]Meeting Time Time Limit:10 SecMemory Limit:128 MBSubmit:321Solved:175[Submit][Status][Discuss] Description Bessie和她的妹妹Elsie想要从谷仓旅行到他们最喜欢的地区去。...
题目 1.cdq分治 每次分成左右两块，用左边那块更新右边的 #include<bits/stdc++.h>...int f[1002][1002],sum[1002][1002],cnt[1000002],i,j,n,m,k,a[1002][1002];... stati...
3888: [Usaco2015 Jan]Stampede Time Limit: 10 SecMemory Limit: 128 MBSubmit: 253Solved: 81[Submit][Status][Discuss] Description Farmer John's N cows (1 <= N <= 50,000) appear to be sta...
Description Bessie has broken into Farmer John's house again! She has discovered a pile of lemons and a pile of oranges in the kitchen (effectively an unlimited number of each), and she is determined...
唯一需要注意的就是中间的一段消掉以后前后又连接在了一起，不过没关系，建立一个数组记录一下到这里的时候匹配到哪里就好了，然后维护一个栈就好了。 #include #include #include #define maxn 1000021 ...
After eating too much fruit in Farmer John's kitchen, Bessie the cow is getting some very strange dreams! In her most recent dream, she is trapped in a maze in the shape of an N...
4102: [Usaco2015 Open]BessieDescription为了庆祝贝茜的生日,FJ给她吃草的自由. N块草地,标号1到N(1),草地有营养价值.当贝茜走到这个草地,可以获得等于这块草地的营养价值的能量. 每块草地最多有10条双向边,每走一...
题意:在文本串上删除一些字符串 每次优先删除从左边开始第一个满足的 删除后剩下的串连在一起重复删除步骤 直到不能删 题解:建fail 用栈存当前放进了那些字符 如果可以删 fail指针跳到前面去 ...
题目大意 现在Bessie的饱食度为0，她每吃一个橙子，饱食度就会增加A；每吃一个柠檬，饱食度就会增加B。Bessie还有一次喝水的机会，如果Bessie喝水前饱食度为x，喝水后饱食度会变为⌊x/2⌋。Bessie的饱食度不能...
Description 贝西和她的朋友们在参加一年一度的“犇”(足)球锦标赛。FJ的任务是让这场锦标赛尽可能地好看。一共有N支球 队参加这场比赛，每支球队都有一个特有的取值在1-230-1之间的整数编号(即：所有球队编号各...
[题目链接] ... [算法] 显然 ， 回文路径中第i个字母的位置(x , y)必然满足 : x + y - 1 = i 用f[i][j][k]表示现在在第i步 ， 左上的横坐标为j ， 右下的横坐标为k ， 有多少种方案...
我猜的题意(已经AC)： 有一个S串和一个T串，长度均小于1,000,0001,000,000，设当前串为U串，然后从前往后枚举S串一个字符一个字符往U串里添加，若U串后缀为T，则去掉这个后缀继续流程。 题解： ...
3940: [Usaco2015 Feb]Censoring Time Limit:10 SecMemory Limit:128 MB Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty o...
洛谷P3120题目链接 难度：普及-（我是蒟蒻） 原本是为了练线段树的，结果这题跟线段树毫无关系-_- 我犯的错误 一看到这道题，第一反应是深搜dfs，于是就有了以下代码： #include&...bool book[...
PROBLEM Tired of the cold winter weather on her farm, Bessie the cow plans to fly to a warmer destination for vacation. Unfortunately, she discovers that only one airline, Air Bovinia, is willing to...
4397: [Usaco2015 dec]Breed Counting Time Limit:10 SecMemory Limit:128 MB Description Farmer John's N cows, conveniently numbered 1…N, are all standing in a row (they seem to do so often tha...
Googol简单的交互题，就是需要高精除极为麻烦，略过。Palindromic Paths比较好的dp题。 首先我们可以枚举回文串的长度。枚举一个a,则回文串长度为2a-1 显然从中间那条斜线开始。 然后我们可以观察到，对于一个a，...
bzoj4393[Usaco2015 Dec]Fruit Feast 题意： 奶牛一开始饱胀值为0，上限为T。每个柠檬派提供a点饱胀值，每个橘子派提供b点饱胀值，有一次机会喝水，使得饱胀值div2。柠檬派和橘子派有无限个，求最大饱胀值。T≤...
Description Bessie the cow is a huge fan of card games, which is quite surprising, given her lack of opposable thumbs. Unfortunately, none of the other cows in the herd are good opponents....
Description Just like humans enjoy playing the game of Hopscotch, Farmer John’s cows have invented a variant of the game for themselves to play. Being played by clumsy animals weighing nearly a ton,
题目描述 给定一棵有N个点的树，所有节点的权值都为0。 有K次操作，每次指定两个点s,t，将s到t路径上所有点的权值都加一。 请输出K次操作完毕后权值最大的那个点的权值。 ... 树上路径的点权加一，询问操作完...