89 - Sort a Partially Sorted List - sort-a-partially-sorted-list.txt

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

You are given a list of n numbers, where every number is at most k indexes away from its properly sorted index. Write a sorting algorithm (that will be given the number k) for this list that can solve this in O(n log k)

Example:
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90 - Most Frequent Subtree Sum - most-frequent-subtree-sum.txt

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

Given a binary tree, find the most frequent subtree sum.

Example:
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91 - Fix Brackets - fix-brackets.txt

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

Given a string with only ( and ), find the minimum number of characters to add or subtract to fix the string such that the brackets are balanced.

Example:
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92 - Palindrome Integers - palindrome-integers.txt

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

Given an integer, check if that integer is a palindrome. For this problem do not convert the integer to a string to check if it is a palindrome.

import math
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93 - Print a tree level-by-level, with line-breaks - print-a-tree-level-by-level,-with-line-breaks.txt

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

You are given a tree, and your job is to print it level-by-level with linebreaks.

a
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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, Python, | English | 67632 Views, 49365 Search Bots | 111 Words

94 - Spreadsheet Columns - spreadsheet-columns.txt

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

In many spreadsheet applications, the columns are marked with letters. From the 1st to the 26th column the letters are A to Z. Then starting from the 27th column it uses AA, AB, ..., ZZ, AAA, etc.

Given a number n, find the n-th column name.
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95 - Generate All IP Addresses - generate-all-ip-addresses.txt

i, here's your problem today. This problem was recently asked by Microsoft:

An IP Address is in the format of A.B.C.D, where A, B, C, D are all integers between 0 to 255.

Given a string of numbers, return the possible IP addresses you can make with that string by splitting into 4 parts of A, B, C, D.
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96 - Consecutive Ones - consecutive-ones.txt

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

Return the longest run of 1s for a given integer n's binary representation.

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, Python, | English | 67905 Views, 28743 Search Bots | 52 Words