摘要：
http://acm.split.hdu.edu.cn/showproblem.php?pid=4035 Maze Special Judge Problem Description When wake up, lxhgww find himself in a huge maze.The maze 阅读全文
摘要：
http://acm.split.hdu.edu.cn/showproblem.php?pid=4336 Card Collector Special Judge Problem Description In your childhood, do you crazy for collecting t 阅读全文