Implement a Queue using 2 Stacks
Software Engineer Data Interview Questions
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Given an integer, re-arrange the integer such that first and last digit will be at first and second, second and second last digit will be at third and fourth position from left of the re-arranges integer and so on. Example: Input -> 12345678, Output -> 18273645 Input -> 1234567, Output -> 1726354
find number of 1's in a number
if i type character 'A' in text file and save it, what will be size of the file
How to convert an Optional string to integer without throwing exception
1. Given an array of n integers. Derive an array where the value of the element at index i is the product of elements in the given array except element i in the given array. The complexity should be O(n). 2. How to traverse timing graph starting from the input nodes? Data structure of the nodes in the graph is given. Write a C program for it. 3. Implement C++ hashing function.
given #define A 2 + 3 #define B 2 printf("%d", A * B) what does this print?
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
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