摘要: Design and implement a TwoSum class. It should support the following operations: add and find. add - Add the number to an internal data structure.find 阅读全文
posted @ 2018-12-01 17:04 fatttcat 阅读(114) 评论(0) 推荐(0)
摘要: Given two strings A and B, find the minimum number of times A has to be repeated such that B is a substring of it. If no such solution, return -1. For 阅读全文
posted @ 2018-12-01 14:54 fatttcat 阅读(109) 评论(0) 推荐(0)
摘要: You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/ve 阅读全文
posted @ 2018-12-01 14:52 fatttcat 阅读(114) 评论(0) 推荐(0)
摘要: Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put. get(key) - Get the 阅读全文
posted @ 2018-12-01 07:31 fatttcat 阅读(129) 评论(0) 推荐(0)