CS33sun的博客

Molar mass Description An organic compound is any member of a large class of chemical compounds whose molecules contain carbon. The molar mass of an organic compound is the mass

DNA Consensus String Time limit: 3.000 seconds Figure 1.DNA (Deoxyribonucleic Acid) is the molecule which contains the genetic instructions. It consists of four different nucleotides, namely A

Description You have devised a new encryption technique which encodes a message by inserting between its characters randomly generated strings in a clever way. Because of pending patent issues we w

Description如果一个字符串可以被某个长度为k的字符串重复多次得到，则称这个字符串的周期为k。例如，字符串“abcabcabcabc”以3为周期（当然，他也以6、12等等为周期）。  现在请你编写一个程序，求出任一长度不超过80的字符串的最小周期。 Input输入首先是一个整数n，代表有n组数据。 每组数据占一行，是一个长度不超过80的字符串。 两组相邻的输入之间有一个空行

Crossword Answers Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 869   Accepted: 405 Description A crossword puzzle consists of a rectangular

最小字典序输出： TopCoder To be a top Coder ! UVa 1548 Circular Sequence （字符串处理） Circular Sequence Time Limit: 3000MS   Memory Limit: Unknown   64bit IO Format: %lld &

Description Ancient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in e