given two linked lists with a digit in each node, add the two linked lists together. the result must be a linked list with one digit in each node. use only one iteration of the two input lists.
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1. Calculate the factorial of an array of integers. 2. How to improve the factorial algorithm?
Are two words palindrome of each other?
If you had to change permissions to read/write all recursively in the unix terminal, how would you do it?
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
The tech questions were easy if you had some practices (leetcode, etc). The behavior questions did catch me. Be prepared for some real QA scenario questions!
Write numbers 2^1000 and 5^1000 in a decimal notation, next to each other. How many digits does the newly obtained number have?
The database all of a sudden becomes very slow, what could be the cause of this?
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