How would you design a chat system?
Software Development Engineer Interview Questions
32,867 software development engineer interview questions shared by candidates
Without using any high level language methods (such as indexOf()) write a function that takes two strings (A and B) and checks to see if B is in A, if it is return the index that B starts at.
Design an algorithm to find out if an array has a pair of integers summing to some number X.
all numbers appear twice in an array, except one special number that only apprears once. how to find it efficiently using only constant extra space
Design an algorithm to compute the even parity bit for a binary input of any size.
Design a function that will return a pointer to the n-th element from the end of a linked list.
Implement a string matching algorithm that matches a given string prefix to the longest matching string in a dictionary.
Find a pythagoran triplet from an array
Write a method to find the sum of all nodes with no siblings in a binary tree.
Explain how Mark&Sweep is implemented.
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