Assume that f(n) and g(n) are two functions, such that f(n)=O(g(n)). Which of the following always hold? A)$f(n)=O((f(n))^{2})$ B)$f(n)=\Omega ((f(n))^{2})$ C)$g(n)=O ((f(n))^{2})$ D)$g(n)=\Omega (g(n))$

What is the time complexity to find Kth minimum element from a doubly linked list having 'n' elements? (A) O (n log K ) (B) O (n log n ) (C) O (K log n ) (D) O ( n )