2019年6月15日
leetcode [355]Design Twitter
摘要： Design a simplified version of Twitter where users can post tweets, follow/unfollow another user and is able to see the 10 most recent tweets in the u 阅读全文
posted @ 2019-06-15 16:25 小白兔云 阅读(248) 评论(0) 推荐(0)
leetcode [402]Remove K Digits
摘要： Given a non-negative integer num represented as a string, remove k digits from the number so that the new number is the smallest possible. Note: The l 阅读全文
posted @ 2019-06-15 14:32 小白兔云 阅读(140) 评论(0) 推荐(0)
leetcode [376]Wiggle Subsequence
摘要： A sequence of numbers is called a wiggle sequence if the differences between successive numbers strictly alternate between positive and negative. The 阅读全文
posted @ 2019-06-15 10:35 小白兔云 阅读(157) 评论(0) 推荐(0)