201 - Daily Interview Question: Find Cycles in a Graph - find-cycles-in-a-graph.txt

Hi, here's your problem today. This problem was recently asked by Facebook:

Given an undirected graph, determine if a cycle exists in the graph.

Here is a function signature:
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Top | Category: Computing | Comments (0) | Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | English | 73867 Views, 31712 Search Bots | 72 Words

202 - Daily Interview Question: Longest Sequence with Two Unique Numbers - longest-sequence-with-two-unique-numbers.txt

Hi, here's your problem today. This problem was recently asked by Facebook:

Given a sequence of numbers, find the longest sequence that contains only 2 unique numbers.

Example:
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Top | Category: Computing | Comments (0) | Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | English | 74091 Views, 31063 Search Bots | 54 Words

203 - Daily Interview Question: Create a Simple Calculator - create-a-simple-calculator.txt

Hi, here's your problem today. This problem was recently asked by Google:

Given a mathematical expression with just single digits, plus signs, negative signs, and brackets, evaluate the expression. Assume the expression is properly formed.

Example:
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Top | Category: Computing | Comments (0) | Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | English | 77134 Views, 37601 Search Bots | 61 Words

204 - How to Register OCX/DLL under Windows 64bit - how-to-register-32-bit-ocx-component-under-windows-10.txt

Windows 10下注册32位OCX控件的方法

　对于早期的32位Windows操作系统，我们可以直接注册OCX或DLL控件，但是在64位系统下是不可行的，而对于支持UAC（例如Windows 10等）的系统，就必须要复制到指定的目录，并使用管理员权限才能成功注册。

　　对于64位Windows 10操作系统，具体方法是：
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Top | Category: Computing | Comments (0) | Tags: 注册OCX, 32位OCX/DLL控件, Windows 10, 32 bit OCX, DLL, Windows 10, Register OCX, | 中文 | 67334 Views, 78853 Search Bots | 189 Characters

205 - Daily Interview Question: Edit Distance - edit-distance.txt

Hi, here's your problem today. This problem was recently asked by AirBNB:

Given two strings, determine the edit distance between them. The edit distance is defined as the minimum number of edits (insertion, deletion, or substitution) needed to change one string to the other.

For example, "biting" and "sitting" have an edit distance of 2 (substitute b for s, and insert a t).
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Top | Category: Computing | Comments (0) | Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms, | English | 62897 Views, 26856 Search Bots | 80 Words

206 - Find Pythagorean Triplets - find-pythagorean-triplets.txt

Hi, here's your problem today. This problem was recently asked by Uber:

Given a list of numbers, find if there exists a pythagorean triplet in that list. A pythagorean triplet is 3 variables a, b, c where a^2 + b^2 = c^2

Example:
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Top | Category: Computing | Comments (0) | Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms, | English | 74832 Views, 26664 Search Bots | 57 Words

207 - Number of Ways to Climb Stairs - number-of-ways-to-climb-stairs.txt

Hi, here's your problem today. This problem was recently asked by LinkedIn:

You are given a positive integer N which represents the number of steps in a staircase. You can either climb 1 or 2 steps at a time. Write a function that returns the number of unique ways to climb the stairs.

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Top | Category: Computing | Comments (0) | Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms,  | English | 73985 Views, 34838 Search Bots | 74 Words

208 - Maximum In A Stack - maximum-in-a-stack.txt

Hi, here's your problem today. This problem was recently asked by Twitter:

Implement a class for a stack that supports all the regular functions (push, pop) and an additional function of max() which returns the maximum element in the stack (return None if the stack is empty). Each method should run in constant time.

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Top | Category: Computing | Comments (0) | Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms,  | English | 74718 Views, 27135 Search Bots | 105 Words