Design data-structures, dynamic programming questions
Development Engineer Interview Questions
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Given a list of n numbers. All numbers except one are unique. Find the number with duplicate entry.
List all anagrams in a file. Assumptions: case-insensitive, a-z characters only, one word per line. For example, if the file contains dog, cat, ddd, goo, act, god -- output dog, god, act, cat
Given an array of integer in which all numbers occur even times except for one number occurs odd times, find it.
Data structures and Algorithms related
Find from alist of numbers where each number is repeating even number of times except one. Find that number ?
+-----------+ | 1 | 2 | 3 | +-----------+ | 4 | 5 | 6 | +-----------+ | 7 | 8 | 9 | +-----------+ | * | 0 | # | +-----------+ +---+ | U | +---+ +---+ +---+ +---+ | L | | S | | R | +---+ +---+ +---+ +---+ | D | +—+ Input String: "180*", output is the number of minimum operations needed to dial the input */ 2)How do you test login page?
Implement a function to validate whether a given binary tree is a BST (i.e. write an isBST() function).
Given an integer set of numbers, print all the subsets. For some reason the interviewer asked to print the supersets, but what he means is subsets.
An optimal algorithm to check whether a hand of cards was a full house (in Poker) or not.
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