茶飘香~

摘要： POJ 3261 Description Farmer John has noticed that the quality of milk given by his cows varies from day to day. On further investigation, he discovere 阅读全文

摘要： Description Given a string, we need to find the total number of its distinct substrings. Input T- number of test cases. T<=20; Each test case consists 阅读全文

摘要： 51Nod 在一个排列中，如果一对数的前后位置与大小顺序相反，即前面的数大于后面的数，那么它们就称为一个逆序。一个排列中逆序的总数就称为这个排列的逆序数。 如2 4 3 1中，2 1，4 3，4 1，3 1是逆序，逆序数是4。给出一个整数序列，求该序列的逆序数。 在一个排列中，如果一对数的前后位置与 阅读全文

摘要： Description Today is Christmas day. There are n single boys standing in a line. They are numbered form 1 to n from left to right. The i-th single boy 阅读全文

摘要： HDU 3613 Description After an uphill battle, General Li won a great victory. Now the head of state decide to reward him with honor and treasures for h 阅读全文

摘要： HDU 3068 Description 给出一个只由小写英文字符a,b,c...y,z组成的字符串S,求S中最长回文串的长度. 回文就是正反读都是一样的字符串,如aba, abba等 HDU 3068 Description 给出一个只由小写英文字符a,b,c...y,z组成的字符串S,求S中最长 阅读全文

摘要： HDU 5371 Description Hotaru Ichijou recently is addicated to math problems. Now she is playing with N-sequence. Let's define N-sequence, which is comp 阅读全文

摘要： HDU 3294 Problem Description One day, sailormoon girls are so delighted that they intend to research about palindromic strings. Operation contains two 阅读全文

摘要： HDU 4513 Problem Description 吉哥又想出了一个新的完美队形游戏！ 假设有n个人按顺序站在他的面前，他们的身高分别是h[1], h[2] ... h[n]，吉哥希望从中挑出一些人，让这些人形成一个新的队形，新的队形若满足以下三点要求，则就是新的完美队形： 1、挑出的人保持原 阅读全文

摘要： POJ 3974 Description Andy the smart computer science student was attending an algorithms class when the professor asked the students a simple question 阅读全文