1. Calculate the factorial of an array of integers. 2. How to improve the factorial algorithm?
Software Developer I Interview Questions
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Given an array of length N containing numbers bounded between 1 and N with exactly one duplicate, determine what the duplicate number is in O(n) time without using more than constant memory (no making new arrays of N length).
Are two words palindrome of each other?
What is a stack?
Gegeven reeks van niet-negatieve hele getallen, terugkerend eerste unieke nummer in deze reeks (dat gebeurt slechts één keer). Voorbeeld: [1,1,2,3,56,4,7,4,3,2,56,1000] // Verwacht resultaat: 7
Call a function F in a loop. F returns a string of 140 chars. Write to the output 1 when F returns a string with the same letters (basically a permutation) of a string previously returned. (the question was not this well formed)
Why u chose IT? Why do want to join syntel?
Here is the brain teaser question: Given integers as 1, 2, 3, 4, ..., N. Every time you remove an alternative element until only one is left. If you reach the end, just do a rounding. Return the remaining element. For example, given 1,2,3,4,5,6, you remove 1, 3, 5 and then 2, 6. So the remaining element is 4. What is the remaining element if N is 2000?
Given a Binary Search Tree with integers at every node and an integer k, write code that decides whether or not there exists two nodes a and b such that a+b=k
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