2018年9月15日
170.Can Place Flowers
摘要： 题目： Suppose you have a long flowerbed in which some of the plots are planted and some are not. However, flowers cannot be planted in adjacent plots - 阅读全文
posted @ 2018-09-15 22:26 chan_ai_chao 阅读(197) 评论(0) 推荐(0) 编辑