11 2020 档案

leetcode1395 - Count Number of Teams - medium
摘要：There are n soldiers standing in a line. Each soldier is assigned a unique rating value. You have to form a team of 3 soldiers amongst them under the 阅读全文
posted @ 2020-11-08 08:21 little_veggie 阅读(107) 评论(0) 推荐(0)
leetcode647 - Palindromic Substrings - medium
摘要：Given a string, your task is to count how many palindromic substrings in this string. The substrings with different start indexes or end indexes are c 阅读全文
posted @ 2020-11-03 14:13 little_veggie 阅读(119) 评论(0) 推荐(0)
leetcode269 - Alien Dictionary - hard
摘要：There is a new alien language which uses the latin alphabet. However, the order among letters are unknown to you. You receive a list of non-empty word 阅读全文
posted @ 2020-11-03 13:27 little_veggie 阅读(86) 评论(0) 推荐(0)
leetcode139 - Word Break - medium
摘要：Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine if s can be segmented into a space-separated sequ 阅读全文
posted @ 2020-11-02 14:30 little_veggie 阅读(94) 评论(0) 推荐(0)
leetcode93 - Restore IP Addresses - medium
摘要：Given a string s containing only digits, return all possible valid IP addresses that can be obtained from s. You can return them in any order. A valid 阅读全文
posted @ 2020-11-02 08:51 little_veggie 阅读(116) 评论(0) 推荐(0)
leetcode426 - Convert Binary Search Tree to Sorted Doubly Linked List - medium
摘要：Convert a Binary Search Tree to a sorted Circular Doubly-Linked List in place. You can think of the left and right pointers as synonymous to the prede 阅读全文
posted @ 2020-11-01 12:52 little_veggie 阅读(71) 评论(0) 推荐(0)
leetcode109 - Convert Sorted List to Binary Search Tree - medium
摘要：Given the head of a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. For this problem, a height-b 阅读全文
posted @ 2020-11-01 11:50 little_veggie 阅读(107) 评论(0) 推荐(0)