2010年4月16日
ZOJ Problem Set - 1006
摘要： Do the UntwistTime Limit: 1 Second Memory Limit: 32768 KB Cryptography deals with methods of secret communication that transform a message (the plaintext) into a disguised form (the ciphertext) so th... 阅读全文
posted @ 2010-04-16 00:33 长江西岸 阅读(365) 评论(0) 推荐(0)