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61 - 算法题 Lowest Common Ancestor of 2 Nodes in Binary Tree - lowest-common-ancestor-of-2-nodes-in-binary-tree.txt
Hi, here's your problem today. This problem was recently asked by Apple:
You are given the root of a binary tree, along with two nodes, A and B. Find and return the lowest common ancestor of A and B. For this problem, you can assume that each node also has a pointer to its parent, along with its left and right child.
Hi, here's your problem today. This problem was recently asked by Apple:
You are given the root of a binary tree, along with two nodes, A and B. Find and return the lowest common ancestor of A and B. For this problem, you can assume that each node also has a pointer to its parent, along with its left and right child.
...
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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, Python, | 英文 | 221 次阅读, 21947 次搜索 | 147 个单词
62 - 算法题 Shifted String - shifted-string.txt
Hi, here's your problem today. This problem was recently asked by Apple:
You are given two strings, A and B. Return whether A can be shifted some number of times to get B.
Eg. A = abcde, B = cdeab should return true because A can be shifted 3 times to the right to get B. A = abc and B= acb should return false.
...
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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, Python, | 英文 | 624 次阅读, 21397 次搜索 | 79 个单词
Hi, here's your problem today. This problem was recently asked by Apple:
You are given two strings, A and B. Return whether A can be shifted some number of times to get B.
Eg. A = abcde, B = cdeab should return true because A can be shifted 3 times to the right to get B. A = abc and B= acb should return false.
...
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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, Python, | 英文 | 624 次阅读, 21397 次搜索 | 79 个单词
63 - 算法题 Level Order Traversal of Binary Tree - level-order-traversal-of-binary-tree.txt
Hi, here's your problem today. This problem was recently asked by Microsoft:
Given the root of a binary tree, print its level-order traversal. For example:
Hi, here's your problem today. This problem was recently asked by Microsoft:
Given the root of a binary tree, print its level-order traversal. For 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, Python, | 英文 | 247 次阅读, 23026 次搜索 | 73 个单词
64 - 算法题 Determine If Linked List is Palindrome - determine-if-linked-list-is-palindrome.txt
Hi, here's your problem today. This problem was recently asked by Microsoft:
You are given a doubly linked list. Determine if it is a palindrome.
Can you do this for a singly linked list?
...
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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, Python, | 英文 | 227 次阅读, 24054 次搜索 | 102 个单词
Hi, here's your problem today. This problem was recently asked by Microsoft:
You are given a doubly linked list. Determine if it is a palindrome.
Can you do this for a singly linked list?
...
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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, Python, | 英文 | 227 次阅读, 24054 次搜索 | 102 个单词
65 - 算法题 Subarray With Target Sum - subarray-with-target-sum.txt
Hi, here's your problem today. This problem was recently asked by Amazon:
You are given an array of integers, and an integer K. Return the subarray which sums to K. You can assume that a solution will always exist.
Hi, here's your problem today. This problem was recently asked by Amazon:
You are given an array of integers, and an integer K. Return the subarray which sums to K. You can assume that a solution will always exist.
...
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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, Python, | 英文 | 300 次阅读, 23087 次搜索 | 63 个单词
66 - 算法题 Longest Consecutive Sequence - longest-consecutive-sequence.txt
Hi, here's your problem today. This problem was recently asked by Amazon:
You are given an array of integers. Return the length of the longest consecutive elements sequence in the array.
For example, the input array [100, 4, 200, 1, 3, 2] has the longest consecutive sequence 1, 2, 3, 4, and thus, you should return its length, 4.
...
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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, Python, | 英文 | 250 次阅读, 22593 次搜索 | 69 个单词
Hi, here's your problem today. This problem was recently asked by Amazon:
You are given an array of integers. Return the length of the longest consecutive elements sequence in the array.
For example, the input array [100, 4, 200, 1, 3, 2] has the longest consecutive sequence 1, 2, 3, 4, and thus, you should return its length, 4.
...
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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, Python, | 英文 | 250 次阅读, 22593 次搜索 | 69 个单词
67 - 算法题 Permutations of numbers - permutations-of-numbers.txt
Hi, here's your problem today. This problem was recently asked by Facebook:
You are given an array of integers. Return all the permutations of this array.
Hi, here's your problem today. This problem was recently asked by Facebook:
You are given an array of integers. Return all the permutations of this array.
...
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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, Python, | 英文 | 246 次阅读, 22170 次搜索 | 38 个单词
68 - 算法题 Maximum Path Sum in Binary Tree - maximum-path-sum-in-binary-tree.txt
Hi, here's your problem today. This problem was recently asked by Facebook:
You are given the root of a binary tree. Find the path between 2 nodes that maximizes the sum of all the nodes in the path, and return the sum. The path does not necessarily need to go through the root.
Hi, here's your problem today. This problem was recently asked by Facebook:
You are given the root of a binary tree. Find the path between 2 nodes that maximizes the sum of all the nodes in the path, and return the sum. The path does not necessarily need to go through the root.
...
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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, Python, | 英文 | 275 次阅读, 22982 次搜索 | 116 个单词
69 - 算法题 Smallest Number that is not a Sum of a Subset of List - smallest-number-that-is-not-a-sum-of-a-subset-of-list.txt
Hi, here's your problem today. This problem was recently asked by AirBNB:
Given a sorted list of positive numbers, find the smallest positive number that cannot be a sum of any subset in the list.
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, Python, | 英文 | 215 次阅读, 44253 次搜索 | 66 个单词
Hi, here's your problem today. This problem was recently asked by AirBNB:
Given a sorted list of positive numbers, find the smallest positive number that cannot be a sum of any subset in the list.
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, Python, | 英文 | 215 次阅读, 44253 次搜索 | 66 个单词
70 - 算法题 Make the Largest Number - make-the-largest-number.txt
Hi, here's your problem today. This problem was recently asked by Uber:
Given a number of integers, combine them so it would create the largest number.
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, Python, | 英文 | 336 次阅读, 22452 次搜索 | 41 个单词
Hi, here's your problem today. This problem was recently asked by Uber:
Given a number of integers, combine them so it would create the largest number.
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, Python, | 英文 | 336 次阅读, 22452 次搜索 | 41 个单词
71 - 算法题 No Adjacent Repeating Characters - no-adjacent-repeating-characters.txt
Hi, here's your problem today. This problem was recently asked by LinkedIn:
Given a string, rearrange the string so that no character next to each other are the same. If no such arrangement is possible, then return None.
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, Python, | 英文 | 220 次阅读, 20164 次搜索 | 57 个单词
Hi, here's your problem today. This problem was recently asked by LinkedIn:
Given a string, rearrange the string so that no character next to each other are the same. If no such arrangement is possible, then return None.
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, Python, | 英文 | 220 次阅读, 20164 次搜索 | 57 个单词
72 - 算法题 String Compression - string-compression.txt
Hi, here's your problem today. This problem was recently asked by Twitter:
Given an array of characters with repeats, compress it in place. The length after compression should be less than or equal to the original array.
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, Python, | 英文 | 332 次阅读, 21086 次搜索 | 87 个单词
Hi, here's your problem today. This problem was recently asked by Twitter:
Given an array of characters with repeats, compress it in place. The length after compression should be less than or equal to the original array.
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, Python, | 英文 | 332 次阅读, 21086 次搜索 | 87 个单词
73 - 算法题 Convert Roman Numerals to Decimal - convert-roman-numerals-to-decimal.txt
Hi, here's your problem today. This problem was recently asked by Twitter:
Given a Roman numeral, find the corresponding decimal value. Inputs will be between 1 and 3999.
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, Python, | 英文 | 230 次阅读, 24522 次搜索 | 160 个单词
Hi, here's your problem today. This problem was recently asked by Twitter:
Given a Roman numeral, find the corresponding decimal value. Inputs will be between 1 and 3999.
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, Python, | 英文 | 230 次阅读, 24522 次搜索 | 160 个单词
74 - 算法题 Find the Single Element in an Array of Duplicates - find-the-single-element-in-an-array-of-duplicates.txt
Hi, here's your problem today. This problem was recently asked by Apple:
Given an array of integers, arr, where all numbers occur twice except one number which occurs once, find the number. Your solution should ideally be O(n) time and use constant extra space.
Example:
Input: arr = [7, 3, 5, 5, 4, 3, 4, 8, 8]
...
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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, Python, | 英文 | 201 次阅读, 30484 次搜索 | 68 个单词
Hi, here's your problem today. This problem was recently asked by Apple:
Given an array of integers, arr, where all numbers occur twice except one number which occurs once, find the number. Your solution should ideally be O(n) time and use constant extra space.
Example:
Input: arr = [7, 3, 5, 5, 4, 3, 4, 8, 8]
...
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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, Python, | 英文 | 201 次阅读, 30484 次搜索 | 68 个单词
75 - 算法题 Nth Fibonacci Number - nth-fibonacci-number.txt
Hi, here's your problem today. This problem was recently asked by Apple:
The Fibonacci sequence is the integer sequence defined by the recurrence relation: F(n) = F(n-1) + F(n-2), where F(0) = 0 and F(1) = 1. In other words, the nth Fibonacci number is the sum of the prior two Fibonacci numbers. Below are the first few values of the sequence:
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144...
...
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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, Python, | 英文 | 312 次阅读, 21680 次搜索 | 97 个单词
Hi, here's your problem today. This problem was recently asked by Apple:
The Fibonacci sequence is the integer sequence defined by the recurrence relation: F(n) = F(n-1) + F(n-2), where F(0) = 0 and F(1) = 1. In other words, the nth Fibonacci number is the sum of the prior two Fibonacci numbers. Below are the first few values of the sequence:
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144...
...
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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, Python, | 英文 | 312 次阅读, 21680 次搜索 | 97 个单词
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