Find the numbers occur odd times (e.g. 1,3,5,7,...) in the given array. e.g. { 2, 2, 1, 1, 1, 4, 4 } You should print 1.
Software Engineer 2 Interview Questions
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How would you implement a sparse array (key could be any integer, but only a few would be used) with limited memory.
Extract the N largest floating point numbers from a large file of floating point numbers.
Given a list of transactions, How can we calculate the frequency counts of all possible item-sets? For example, Input: ID Purchased Items 1 apple, banana, lemon 2 banana, berry, lemon, orange 3 banana, berry, lemon Output: Itemset Frequency apple, banana 1 apple, lemon 1 banana, berry 2 banana, lemon 3 ... apple, banana, lemon 1 banana, berry, lemon 2 ... banana, berry, lemon, orange 1
1.1. given a list of words, group anagrams. 1.2. find all 3 items that sum to 0 in an array. 2.1. Write a function that calculates input strings with operators +,-,*,/ eg. "5+5*6" should output 35
How objects can send messages to each other in Objective-C
Given a tree, print the values contained at each level on the same line. So if you had the tree with root A, and children B and C, you would print: A B C
How would you store and search 1 million names?
Merge 'k' sorted arrays, each array may have max 'n' elements
Given an integer array, find if the target sum exists as the sum of contiguous elements.
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