Design a stack that has an O(1) max() method.
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The second question is that there are 8 buttons, 7 of them are some, one is a bit little heavier, and you have a balance, how could find the heavier one, you can just use the balance twice.
You have 4 aces and a king in a set of cards, what's the probability of get kind before all aces.
Sequence of numbers in random order and 1 of them is missing how to find that out...
What are the most challenging tasks you faced in your previous projects and how did you handle them
One of the question was on Designing & Code a TTL Cache with some modifications
explain basic OOP concepts.
Flip a bit in a uint32 using C.
You have an array of numbers. For example: [-5, 1, 7, -3, 4] Find the pair with the greatest product.In the example above, it would be 28(7x4).
Given an array, return the nth largest.
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