Given a log of users visit to a site for a day, how would you find returning users given the log visit for another day
Software Engineers Interview Questions
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There was only one question. How to compress a string? If "AAABBAAA" the resultant string should be 3A2B3A.
Using only putchar how would you print out the ascii values for each digit in an integer. For example if the integer was 123, then you would want to print the ascii values for 1, 2, and 3.
Given an infinite stream of numbers, find the top 50 integers. What's the data structure to use, and what's the time complexity.
Write a program to find the square root of a double.
Write a function to search for a string within another string. Analyze it's complexity, and propose optimizations.
Use objective-c write code to return the first repeated integer from a given array, with O(n) time
copy ctor, operator overloading, oops concepts, puzzles, data structures.
Write an algorithm to verify if a tree is a binary search tree.
Create a data structure that minimizes time complexity of retrieving median and inserting new element. Getting median should be O(1) and insertion should be O(log(n)).
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