Write a function which takes two strings as parameters and returns a string of common characters between the two strings but no duplicates. Use hash table to implement the algorithm.
Software Development Engineer Interview Questions
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Given an infinite number line from -INFINITY to +INFINITY and we are on zero. We can move n steps either side at each n’th time. Find minimum number of steps to reach k.
Consider a series similar to the fibonacci series (fn = fn-1 + fn-2) but with f(0) = x, f(1) = y.Given x,y and z (each can be +ve or -ve), how do you find if z exists in the series
1. Implement a method that verifies if one string can be constructed by another. E.g: "aaabc" can be constructed by "aaabbbccd" 2. Given a linked list containing numbers (Node element), implement a method that returns two lists: one containing even numbers and one odd numbers - without allocating new list elements.
1. Find out that data in a linked list is a palindrome
Find nth fibbonacci number in less than 0(n).
Design and implement an algorithm to determine if a binary tree is symmetric.
Write a code to determing whether a binary tree is symmetric or not (symmetricity is based on data i.e., folding the tree with respect to the root node, all the leaf nodes which overlap should have same data)
convert binary tree to double linked list
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