you have array with n elements. How would you do circular shift of k positions? Time and space complexity?
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Write code to generate all possible case combinations of a given lower-cased string. (e.g. "0ab" -> ["0ab", "0aB", "0Ab", "0AB"])
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
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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?
An online retailer allows sellers to post different prices for the same product at different time intervals. Find an algorithm to return a list of sorted intervals with the lowest price.
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