摘要: 罗马数字和整数之间的转换 阅读全文
posted @ 2017-10-16 18:17 WegYcx 阅读(104) 评论(0) 推荐(0)
摘要: Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpo 阅读全文
posted @ 2017-10-16 17:53 WegYcx 阅读(96) 评论(0) 推荐(0)