http://poj.org/problem?id=3261 题意:一个长度为n的串,要求最长的子串的长度且这个子串的出现次数不少于k次.(1<=n<=20000, 2<=k<=n) #include <cstdio> #include <algorithm> using namespace std; const int N=20015; void sort(int *x, int *y, int *sa, int n, int m) { static in…

题目题目:http://poj.org/problem?id=3261 Milk Patterns Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 18880 Accepted: 8336 Case Time Limit: 2000MS Description Farmer John has noticed that the quality of milk given by his cows varies from day t…

Milk Patterns Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 7586   Accepted: 3448 Case Time Limit: 2000MS Description Farmer John has noticed that the quality of milk given by his cows varies from day to day. On further investigation,…

Description Georgia and Bob decide to play a self-invented game. They draw a row of grids on paper, number the grids from left to right by 1, 2, 3, ..., and place N chessmen on different grids, as shown in the following figure for example: Georgia an…

Description 有两堆石子,数量任意,可以不同.游戏开始由两个人轮流取石子.游戏规定,每次有两种不同的取法,一是可以在任意的一堆中取走任意多的石子:二是可以在两堆中同时取走相同数量的石子.最后把石子全部取完者为胜者.现在给出初始的两堆石子的数目,如果轮到你先取,假设双方都采取最好的策略,问最后你是胜者还是败者. Input 输入包含若干行,表示若干种石子的初始情况,其中每一行包含两个非负整数a和b,表示两堆石子的数目,a和b都不大于1,000,000,000. Output 输出对应也有…

Milk PatternsTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://poj.org/problem?id=3261 Description Farmer John has noticed that the quality of milk given by his cows varies from day to day. On further investigation, he discovered that although he c…

[题目链接] http://poj.org/problem?id=3261 [题目大意] 求最长可允许重叠的出现次数不小于k的子串. [题解] 对原串做一遍后缀数组,二分子串长度x,将前缀相同长度超过x的后缀分组, 如果存在一个大小不小于k的分组,则说明答案可行,分治得到最大可行解就是答案. [代码] #include <cstdio> #include <cstring> #include <vector> using namespace std; const int…

Milk Patterns   Description Farmer John has noticed that the quality of milk given by his cows varies from day to day. On further investigation, he discovered that although he can't predict the quality of milk from one day to the next, there are some…

Milk Patterns Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 7938   Accepted: 3598 Case Time Limit: 2000MS Description Farmer John has noticed that the quality of milk given by his cows varies from day to day. On further investigation,…

Milk Patterns Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 16742   Accepted: 7390 Case Time Limit: 2000MS Description Farmer John has noticed that the quality of milk given by his cows varies from day to day. On further investigation,…