2020年2月13日
[LC] 373. Find K Pairs with Smallest Sums
摘要： You are given two integer arrays nums1 and nums2 sorted in ascending order and an integer k. Define a pair (u,v) which consists of one element from th 阅读全文
posted @ 2020-02-13 12:07 xuan_abc 阅读(91) 评论(0) 推荐(0)
[LC] 1048. Longest String Chain
摘要： Given a list of words, each word consists of English lowercase letters. Let's say word1 is a predecessor of word2 if and only if we can add exactly on 阅读全文
posted @ 2020-02-13 10:48 xuan_abc 阅读(146) 评论(0) 推荐(0)
[LC] 297. Serialize and Deserialize Binary Tree
摘要： You may serialize the following tree: 1 / \ 2 3 / \ 4 5 as "[1,2,3,null,null,4,5]" /** * Definition for a binary tree node. * public class TreeNode { 阅读全文
posted @ 2020-02-13 08:06 xuan_abc 阅读(112) 评论(0) 推荐(0)