amazingzoe - 博客园

2017年2月13日

摘要： Given an 2D board, count how many battleships are in it. The battleships are represented with 'X's, empty slots are represented with '.'s. You may ass 阅读全文

posted @ 2017-02-13 22:38 amazingzoe 阅读(148) 评论(0) 推荐(0)

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(218) 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(558) 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(197) 评论(0) 推荐(0)

2017年2月12日

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(100) 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)

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