2016年5月24日
摘要: Problem Description Password security is a tricky thing. Users prefer simple passwords that are easy to remember (like buddy), but such passw... 阅读全文
posted @ 2016-05-24 16:53 cnxo 阅读(128) 评论(0) 推荐(0) 编辑
摘要: Problem Description You will be given a string which only contains ‘1’; You can merge two adjacent ‘1’ to be ‘2’, or leave the ‘1’ there. Sur... 阅读全文
posted @ 2016-05-24 16:17 cnxo 阅读(85) 评论(0) 推荐(0) 编辑