2018年1月6日
754. Reach a Number
摘要： ou are standing at position 0 on an infinite number line. There is a goal at position target. On each move, you can either go left or right. During th 阅读全文
posted @ 2018-01-06 20:31 Zzz...y 阅读(1105) 评论(0) 推荐(0) 编辑