## Check If a Number is Power of Two

What code will you write to check if a number is power of two or not?

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What code will you write to check if a number is power of two or not?

Write code that will check if a linked list is a palindrome or not.

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How will you compute x^y such that it will work for floats and negative values?

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I met three dragons. One always tells the truth, other one always lies and the last one alternates between lie and truth. Dragon 1: You may ask us one question, then you must guess which dragon is which Dragon 2: He’s lying. You may get three questions Dragon 3: Oh no. It’s definitely one question

An array of elements is given arr arr is of length n Right rotate array by k elements Time complexity O(n) and space complexity O(1) Sample Input: arr = {1,2 ,3,4,5} n = 5 k = 2 Output : arr = {4,5,1,2,3}

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