Leetcode - 随笔分类(第5页) - amazingzoe

Next Greater Element

摘要：You are given two arrays (without duplicates) nums1 and nums2 where nums1’s elements are subset of nums2. Find all the next greater numbers for nums1' 阅读全文

posted @ 2017-02-13 22:07 amazingzoe 阅读(186) 评论(0) 推荐(0)

Two Sum III - Data Structure Design

摘要：Design and implement a TwoSum class. It should support the following operations: add and find. add - Add the number to an internal data structure.find 阅读全文

posted @ 2017-02-13 20:53 amazingzoe 阅读(145) 评论(0) 推荐(0)

Base 7

摘要：Given an integer, return its base 7 string representation. Example 1: Example 2: Note: The input will be in range of [-1e7, 1e7]. 阅读全文

posted @ 2017-02-13 20:33 amazingzoe 阅读(217) 评论(0) 推荐(0)

Find mode in Binary Search Tree

摘要：Given a binary search tree (BST) with duplicates, find all the mode(s) (the most frequently occurred element) in the given BST. Assume a BST is define 阅读全文

posted @ 2017-02-13 20:18 amazingzoe 阅读(557) 评论(0) 推荐(0)

Read N Characters from Read4

摘要：The API: int read4(char *buf) reads 4 characters at a time from a file. The return value is the actual number of characters read. For example, it retu 阅读全文

posted @ 2017-02-13 19:14 amazingzoe 阅读(196) 评论(0) 推荐(0)

Reverse Integer

摘要：Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 click to show spoilers. Have you thought about this? Here a 阅读全文

posted @ 2017-02-12 20:44 amazingzoe 阅读(123) 评论(0) 推荐(0)

First Bad Version

摘要：You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality c 阅读全文

posted @ 2017-02-12 20:09 amazingzoe 阅读(99) 评论(0) 推荐(0)

Heaters

摘要：Winter is coming! Your first job during the contest is to design a standard heater with fixed warm radius to warm all the houses. Now, you are given p 阅读全文

posted @ 2017-02-12 19:10 amazingzoe 阅读(299) 评论(0) 推荐(0)

Number of Segments in a String

摘要：Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters. Please note that the string 阅读全文

posted @ 2017-02-12 18:04 amazingzoe 阅读(166) 评论(0) 推荐(0)

Valid Perfect Square

摘要：Given a positive integer num, write a function which returns True if num is a perfect square else False. Note: Do not use any built-in library functio 阅读全文

posted @ 2017-02-12 17:49 amazingzoe 阅读(125) 评论(0) 推荐(0)

Paint House

摘要：There are a row of n houses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a certai 阅读全文

posted @ 2017-02-12 17:19 amazingzoe 阅读(176) 评论(0) 推荐(0)

Construct the Rectangle

摘要：For a web developer, it is very important to know how to design a web page's size. So, given a specific rectangular web page’s area, your job by now i 阅读全文

posted @ 2017-02-12 17:16 amazingzoe 阅读(327) 评论(0) 推荐(0)

Relative Ranks

摘要：Given scores of N athletes, find their relative ranks and the people with the top three highest scores, who will be awarded medals: "Gold Medal", "Sil 阅读全文

posted @ 2017-02-12 17:15 amazingzoe 阅读(494) 评论(0) 推荐(0)

Max Consecutive Ones

摘要：Given a binary array, find the maximum number of consecutive 1s in this array. Example 1: Note: The input array will only contain 0 and 1. The length 阅读全文

posted @ 2017-02-12 17:14 amazingzoe 阅读(142) 评论(0) 推荐(0)

Island Perimeter

摘要：You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/ve 阅读全文

posted @ 2017-02-12 17:13 amazingzoe 阅读(120) 评论(0) 推荐(0)

Number Complement

摘要：Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: The given inte 阅读全文

posted @ 2017-02-12 17:09 amazingzoe 阅读(207) 评论(0) 推荐(0)

Keyboard Row

摘要：Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Examp 阅读全文

posted @ 2017-02-12 17:08 amazingzoe 阅读(512) 评论(0) 推荐(0)

Third Maximum Number

摘要：Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexi 阅读全文

posted @ 2016-11-18 10:48 amazingzoe 阅读(138) 评论(0) 推荐(0)

Valid Word Abbreviation

摘要：Given a non-empty string s and an abbreviation abbr, return whether the string matches with the given abbreviation. A string such as "word" contains o 阅读全文

posted @ 2016-11-18 06:51 amazingzoe 阅读(212) 评论(0) 推荐(0)

Repeated Substring Pattern

摘要：Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may a 阅读全文

posted @ 2016-11-18 06:14 amazingzoe 阅读(196) 评论(0) 推荐(0)

随笔分类 - Leetcode

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