摘要：
Problem Description刚学完后缀数组求回文串的瑶瑶（tsyao）想到了另一个问题：如果能够对字符串做一些修改，怎么在每次询问时知道以某个字符为中心的最长回文串长度呢？因为瑶瑶整天只知道LOL，当他知道自己省选成绩的时候就天天在LOL，导致现在的她实在是太弱了，根本解决不了这个问题，于... 阅读全文
摘要：
Problem DescriptionAlice and Bob are playing together. Alice is crazy about art and she has visited many museums around the world. She has a good memo... 阅读全文
摘要：
Problem DescriptionThere is an old country and the king fell in love with a devil. The devil always asks the king to do some crazy things. Although th... 阅读全文
摘要：
Problem DescriptionThere is an old country and the king fell in love with a devil. The devil always asks the king to do some crazy things. Although th... 阅读全文
摘要：
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4900Problem DescriptionThere is an old country and the king fell in love with a devil. The devil always... 阅读全文
摘要：
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4897Problem DescriptionThere is an old country and the king fell in love with a devil. The devil always... 阅读全文
摘要：
题目链接：http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2112The Company Dynamic Rankings has developed a new kind of computer that is no lon... 阅读全文
摘要：
题目链接：http://acm.timus.ru/problem.aspx?space=1&num=1416Zaphod Beeblebrox — President of the Imperial Galactic Government. And by chance he is an owner ... 阅读全文
摘要：
题目链接：http://acdream.info/problem?pid=1128Problem Descriptionwuyiqi陷入了一个迷宫中，这个迷宫是由N*M个格子组成的矩阵。每个格子上堆放了一定数量的箱子。(i,j)表示第i行，第j列的格子。wuyiqi可以将一个格子上的箱子移动到相邻的... 阅读全文
摘要：
In mathematical terms, the sequenceFnof Fibonacci numbers is defined by the recurrence relationF1 = 1;F2 = 1;Fn = Fn - 1 + Fn - 2(n > 2).DZY loves Fib... 阅读全文