摘要：
题目链接 http://acm.hdu.edu.cn/showproblem.php?pid=1247 题意：给你一系列字符串问你哪些字符串可以由已知的两个字符串组成，输出该字符串。 还是一道字典树，稍微涉及到一些搜索依旧简单。 阅读全文
摘要：
Problem Description Ignatius is so lucky that he met a Martian yesterday. But he didn't know the language the Martians use. The Martian gives him a hi 阅读全文
摘要：
A rider is a fantasy chess piece that can jump like a knight several times in a single move. A rider that can perform a maximum of K jumps during a si 阅读全文