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LeetCode | 1372. Longest ZigZag Path in a Binary Tree二叉树中的最长交错路径【Python】
LeetCode 1372. Longest ZigZag Path in a Binary Tree二叉树中的最长交错路径【Medium】【Python】【DFS】 Problem "LeetCode" Given a binary tree , a ZigZag path for a binar ...
分类:编程语言   时间:2020-03-08 15:55:09    阅读次数:79
LeetCode | 1374. Generate a String With Characters That Have Odd Counts生成每种字符都是奇数个的字符串【Python】
LeetCode 1374. Generate a String With Characters That Have Odd Counts生成每种字符都是奇数个的字符串【Easy】【Python】【字符串】 Problem "LeetCode" Given an integer , return a ...
分类:编程语言   时间:2020-03-08 15:46:37    阅读次数:82
Find Peak Element
Problem A peak element is an element that is greater than its neighbors. Given an input array where num[i] ≠ num[i+1], find a peak element and returni ...
分类:其他好文   时间:2020-03-08 13:45:34    阅读次数:47
LeetCode 1293. Shortest Path in a Grid with Obstacles Elimination
原题链接在这里:https://leetcode.com/problems/shortest-path-in-a-grid-with-obstacles-elimination/ 题目: Given a m * n grid, where each cell is either 0 (empty)  ...
分类:其他好文   时间:2020-03-08 09:49:10    阅读次数:72
[LeetCode 1371] Find the Longest Substring Containing Vowels in Even Counts
Given the string s, return the size of the longest substring containing each vowel an even number of times. That is, 'a', 'e', 'i', 'o', and 'u' must ...
分类:其他好文   时间:2020-03-08 09:32:42    阅读次数:81
leetcode287 Find the Duplicate Number
1 """ 2 Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number must ...
分类:其他好文   时间:2020-03-07 09:40:06    阅读次数:81
杨辉三角(数组)
//杨辉三角(数组) /* * @Description: Given a non-negative integer numRows, generate the first numRows of Pascal's triangle. * Input: 5 * Output: * [ * [1], * ...
分类:编程语言   时间:2020-03-06 15:00:14    阅读次数:78
leetcode66 Plus One
1 """ 2 Given a non-empty array of digits representing a non-negative integer, plus one to the integer. 3 The digits are stored such that the most sig ...
分类:其他好文   时间:2020-03-06 13:09:03    阅读次数:61
[剑指Offer]41 和为S的两个数字 VS 和为S的连续正数序列
[剑指Offer]41 和为S的两个数字 VS 和为S的连续正数序列 Leetcode T1 Two Sum Given an array of integers, return indices of the two numbers such that they add up to a specif ...
分类:其他好文   时间:2020-03-06 12:41:24    阅读次数:59
1110 Complete Binary Tree (25分) 判断一棵二插树是否是完全二叉树
Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, th ...
分类:其他好文   时间:2020-03-05 20:59:24    阅读次数:115
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