This was one of the more standard questions. You have stairs with N number of steps. You can take either one step steps or two step steps; how many ways can you climb the stairs?
Intern Engineer Interview Questions
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counting sort, binary tree preorder traversal, binary tree inorder traversal, keys and boxes (leetcode 1298)
if A! + B! + C! = ABC and A, B, C are single digit numbers, find A, B, and C.
Technical Given an unsorted array of numbers (that may contain repeated numbers), print or produce a data structure that contains all the pairs that have a sum equal to a number k. Do not include pairs that are the same numbers in a different order. Ex. [3,2,6,2,0,5,3,8,7,10] [(0,10),(2,8),(3,7)]
Convert a binary tree into a circular doubly linked list. The order of the elements in the linked list have to be the order of elements you get when you do an in order traversal of the binary tree.
given an array of strings, find all the lists of anagrams present.
Not hard at all.
How will you make this code readable (given a piece of code)
Remove duplicates from a linked list. O(n) time.
Write a function to remove all redundant characters in a given string.
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