199 - 每日面试算法题: Minimum Size Subarray Sum - minimum-size-subarray-sum.txt

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

Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn't one, return 0 instead.

Example:
...
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Top | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | 英文 | 77286 次阅读, 27567 次搜索 | 81 个单词

200 - 每日算法题 - Word Search - word-search.txt

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

You are given a 2D array of characters, and a target string. Return whether or not the word target word exists in the matrix. Unlike a standard word search, the word must be either going left-to-right, or top-to-bottom in the matrix.

Example:
...
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Top | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | 英文 | 64148 次阅读, 23860 次搜索 | 136 个单词

201 - 每日算法题 - 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 | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | 英文 | 73837 次阅读, 31712 次搜索 | 72 个单词

202 - 每日算法题 - 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 | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | 英文 | 74065 次阅读, 31062 次搜索 | 54 个单词

203 - 每日算法题 - 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 | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | 英文 | 77104 次阅读, 37600 次搜索 | 61 个单词

204 - Windows 10下注册32位OCX控件的方法 - 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 | 类别: 计算机科学 | 评论 (0) | 标签: 注册OCX, 32位OCX/DLL控件, Windows 10, 32 bit OCX, DLL, Windows 10, Register OCX, | 中文 | 67310 次阅读, 78852 次搜索 | 189 个汉字

205 - 每日算法题 - Edit Distance I - 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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206 - 每日算法题 - 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 | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms, | 英文 | 74808 次阅读, 26663 次搜索 | 57 个单词

207 - 每日算法题 - 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 | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms,  | 英文 | 73965 次阅读, 34838 次搜索 | 74 个单词

208 - 每日算法题 - 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 | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms,  | 英文 | 74682 次阅读, 27135 次搜索 | 105 个单词

209 - 每日算法题 - Invert a Binary Tree - invert-a-binary-tree.txt

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

You are given the root of a binary tree. Invert the binary tree in place. That is, all left children should become right children, and all right children should become left children.

Example:
...
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Top | 类别: 计算机科学 | 评论 (0) | 标签: 每日算法题, 算法, 数据结构, 面试题, Daily Problem, Data Structures and Algorithms, | 英文 | 75600 次阅读, 33657 次搜索 | 164 个单词