leetcode - 随笔分类 - 梅花五瓣

Reverse Integer

摘要：7. Reverse Integer Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: -123 Output: -321 阅读全文

posted @ 2020-10-06 12:17 梅花五瓣阅读(89) 评论(0) 推荐(0)

【LeetCode】链表

摘要：24. Swap Nodes in Pairs https://leetcode.com/problems/linked-list-cycle/ Given a linked list, swap every two adjacent nodes and return its head. You m 阅读全文

posted @ 2020-06-29 22:18 梅花五瓣阅读(168) 评论(0) 推荐(0)

【LeetCode】 Maximum Depth of Binary Tree

摘要：题目描述： Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the fart 阅读全文

posted @ 2019-05-03 23:54 梅花五瓣阅读(95) 评论(0) 推荐(0)

【LeetCode】Symmetric Tree

摘要：101. Symmetric Tree 101. Symmetric Tree Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, th 阅读全文

posted @ 2019-03-27 21:28 梅花五瓣阅读(135) 评论(0) 推荐(0)

【LeetCode】Same Tree

摘要：100. Same Tree 100. Same Tree Given two binary trees, write a function to check if they are the same or not. Two binary trees are considered the same 阅读全文

posted @ 2019-03-20 11:17 梅花五瓣阅读(100) 评论(0) 推荐(0)

【LeetCode】Two Sum & Two Sum II - Input array is sorted & Two Sum IV - Input is a BST

摘要：1. Two Sum Given an array of integers, return indices of the two numbers such that they add up to a specific target.You may assume that each input wou 阅读全文

posted @ 2019-03-19 17:19 梅花五瓣阅读(277) 评论(0) 推荐(0)

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随笔分类 - leetcode

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