2017年4月11日
381. Insert Delete GetRandom O(1) - Duplicates allowed
摘要： Design a data structure that supports all following operations in average O(1) time. Note: Duplicate elements are allowed. Example: ["RandomizedCollec 阅读全文
posted @ 2017-04-11 20:06 Tsunami_lj 阅读(137) 评论(0) 推荐(0) 编辑