problem 868. Binary Gap solution1: class Solution { public: int binaryGap(int N) { ; vector<int> pos; ; ) { ==) pos.push_back(k); k++; N >>=;//errr... } ; i<pos.size(); ++i) { res = max(res, pos[i]-pos[i-]); } return res; } }; solution2: cl…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 线性扫描 日期 题目地址:https://leetcode.com/problems/binary-gap/description/ 题目描述 Given a positive integer N, find and return the longest distance between two consecutive 1's in the bina…

problem 704. Binary Search solution: class Solution { public: int search(vector<int>& nums, int target) { , right = nums.size()-, mid = ; while(left<=right)//errr... { mid = left + (right-left)/; ; ; else return mid; } ; } }; 参考 1. Leetcode_e…

problem 693. Binary Number with Alternating Bits solution1: class Solution { public: bool hasAlternatingBits(int n) { ; ) { /* errr... if(n&1 && bit==1) return false; else if(n&1) bit = 1; if(n&1==0 && bit==0) return false; els…

[LeetCode]199. Binary Tree Right Side View 解题报告(Python) 标签: LeetCode 题目地址:https://leetcode.com/problems/binary-tree-right-side-view/description/ 题目描述: Given a binary tree, imagine yourself standing on the right side of it, return the values of the no…

[题目] Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only nodes with keys less than the node's key. The right subtree of a node contains only nodes with…

[题目] Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never differ by more than 1. [说明] 不是非常难,思路大家可能都会想到用递归,分别推断左…

Difficulty: Hard  More:[目录]LeetCode Java实现 Description https://leetcode.com/problems/binary-tree-postorder-traversal/ Given a binary tree, return the postordertraversal of its nodes' values. Example: Input: [1,null,2,3] 1 \ 2 / 3 Output: [3,2,1] Foll…

链接:https://leetcode.com/tag/binary-search-tree/ [220]Contains Duplicate III (2019年4月20日) (好题) Given an array of integers, find out whether there are two distinct indices i and j in the array such that the absolute difference between nums[i] and nums[…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 找数字连续最大乘积子序列. 思路:这个麻烦在有负数和0,我的方法,如果有0,一切都设…