摘要:
原题链接在这里:https://leetcode.com/problems/rearrange-string-k-distance-apart/description/ 题目: Given a non-empty string s and an integer k, rearrange the st 阅读全文
摘要:
原题链接在这里:https://leetcode.com/problems/design-twitter/description/ 题目: Design a simplified version of Twitter where users can post tweets, follow/unfol 阅读全文