codeswarrior的博客

PalindromeAndy the smart computer science student was attending an algorithms class when the professor asked the students a simple question, "Can you propose an efficient algorithm to find the

吉哥系列故事——完美队形IIHDU - 4513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、挑出的人保持原队形的相对顺序不变，且必须都是在原队形中连续的； 　　2、左右对称，

Best RewardAfter an uphill battle, General Li won a great victory. Now the head of state decide to reward him with honor and treasures for his great exploit.One of these treasures is a nec

Girls' researchHDU - 3294One day, sailormoon girls are so delighted that they intend to research about palindromic strings. Operation contains two steps:First step: girls will write a lo

Making Huge PalindromesLightOJ - 1258A string is said to be a palindrome if it remains same when read backwards. So, 'abba', 'madam' both are palindromes, but 'adam' is not.Now you are giv

最长回文HDU - 3068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 Input 输入有多组case,不超过120组,每组输入为一行小写英文字符a,b,c...y,z组成的字符串S 两组case之间由空行隔开(该空行不用处理) 字符串长度len Output

Hotaru's problemHDU - 5371Hotaru Ichijou recently is addicated to math problems. Now she is playing with N-sequence.Let's define N-sequence, which is composed with three parts and satisf

L2-008. 最长对称子串 时间限制 100 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 陈越 对给定的字符串，本题要求你输出最长对称子串的长度。例...