Find Mode in Binary Search Tree-二叉搜索树中的众数
Given a binary search tree (BST) with duplicates, find ... » 阅读全文
500. Keyboard Row-键盘行
Given an array of strings words, return the words that ... » 阅读全文
496. Next Greater Element I-下一个更大元素 I
You are given two integer arrays nums1 and nums2 both o... » 阅读全文
492. Construct the Rectangle-构造矩形
A web developer needs to know how to design a web page&... » 阅读全文
485. Max Consecutive Ones-最大连续1的个数
Given a binary array, find the maximum number of consec... » 阅读全文
482. License Key Formatting-密钥格式化
You are given a license key represented as a string S w... » 阅读全文
476. Number Complement-数字的补数
Given a positive integer num, output its complement num... » 阅读全文
461. Hamming Distance-汉明距离
The Hamming distance between two integers is the number... » 阅读全文
459. Repeated Substring Pattern-重复的子字符串
Given a non-empty string check if it can be constructed... » 阅读全文
455. Assign Cookies-分发饼干
Assume you are an awesome parent and want to give your ... » 阅读全文