摘要: DescriptionThe numberic keypad on your mobile phone looks like below:1 2 34 5 67 8 9 0Suppose you are holding your mobile phone with single hand. You... 阅读全文
posted @ 2015-08-16 23:51 HaruHaru 阅读(387) 评论(0) 推荐(0) 编辑