摘要: 原题链接在这里:https://leetcode.com/problems/bulb-switcher/ 题目: There are n bulbs that are initially off. You first turn on all the bulbs. Then, you turn off 阅读全文
posted @ 2016-01-23 16:38 Dylan_Java_NYC 阅读(293) 评论(0) 推荐(0) 编辑