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 regular patterns in the dai…
题目链接:https://vjudge.net/problem/POJ-3261 Milk Patterns Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 17157 Accepted: 7592 Case Time Limit: 2000MS Description Farmer John has noticed that the quality of milk given by his cows varies f…
[USACO07DEC]Best Cow Line G [USACO07DEC]Best Cow Line G 小声哔哔:字符串hash牛逼 题意 给出一个字符串,每次可以从字符串的首尾取出一个字符,放到队列的尾部,求可以得到的最小的字典序是多少? 思路1 此时字符串首尾的下标分别为l,r. 如果str[l]!=str[r]:取较小的字符串 如果str[l]==str[r]:找到第一个非负整数x,使得str[l+x]!=str[r-x]. 如果str[l+x]<str[r-x],那么此时取s…
Milk Patterns Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 12972 Accepted: 5769 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,…
Long Long Message Description The little cat is majoring in physics in the capital of Byterland. A piece of sad news comes to him these days: his mother is getting ill. Being worried about spending so much on railway tickets (Byterland is such a bi…
Long Long Message Time Limit: 4000MS Memory Limit: 131072K Total Submissions: 26601 Accepted: 10816 Case Time Limit: 1000MS Description The little cat is majoring in physics in the capital of Byterland. A piece of sad news comes to him these days…
Time Limit: 4000MS Memory Limit: 131072K Total Submissions: 24756 Accepted: 10130 Case Time Limit: 1000MS Description The little cat is majoring in physics in the capital of Byterland. A piece of sad news comes to him these days: his mother is ge…
Language: Default Long Long Message Time Limit: 4000MS Memory Limit: 131072K Total Submissions: 21228 Accepted: 8708 Case Time Limit: 1000MS Description The little cat is majoring in physics in the capital of Byterland. A piece of sad news comes…
http://poj.org/problem?id=3415 Common Substrings Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 5805 Accepted: 1911 Description A substring of a string T is defined as: T(i, k)=TiTi+1...Ti+k-1, 1≤i≤i+k-1≤|T|. Given two strings A, B an…
Description If a string is in the form UVU, where U is not empty, and V has exactly L characters, we say UVUis an L-Gap string. For example, abcbabc is a 1-Gap string. xyxyxyxyxy is both a 2-Gap stringand also a 6-Gap string, but not a 10-Gap string…