Hardest question was how to sort a linked list using recursion only. I knew the iterative solution but couldn't come up with recursion. Very difficult.
Software Development Engineer Interview Questions
33,183 software development engineer interview questions shared by candidates
Clone a linked list that has a cycle (do not fix the cycle). Is there a way to uniquely identify a node without relying on a hash code?
Given an int array and an int X, find out if two elements sum up to X
Display the first 3 character of a word(string)
given binary tree inorder & preorder traversal, return postorder traversal
Consider two arrays of integers, v1 and v2, with allocate memory of (n+m)*sizeof(int) and m*sizeof(int), respectively; In array v1, you have the first n positions filled with integers, sorted in ascendent order. In array v2, you have all m positions filled with integers, also sorted in ascendent order. Write/implement a function that return a vector of size (n+m)*sizeof(int) that have all the elements of v1 and v2, sorted in an ascendent order
Find a convergence point if any in given two linked lists.
Generate all permutations of a string and determine if each is in the dictionary. Find an efficient data structure for the dictionary.
Data structures and algorithms, with a bit of design and some soft questions about your goals and background.
If a sorted array is rotated, how to find how many times it has been rotated.
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