摘要:
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1062 Problem Description Ignatius likes to write words in reverse way. Given a single line of text whic 阅读全文
摘要:
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1039 Problem Description Password security is a tricky thing. Users prefer simple passwords that are ea 阅读全文