What is the time complexity of push and pop operations in a stack?O(1)O(n)O(log n)O(n log n)

What is the time complexity of the “push” operation onto a stack?O(n)O(1)O(log(n))O(nlog(n))O(2^n)O(n!)O(n^2)

What is the time complexity of pop() operation when the stack is implemented using an array?O(1)O(n)O(logn)O(nlogn)

The time complexity of both push and pop operations on a stack implemented with an array is O(1).a.TRUEb.FALSE

What is the time complexity of the push, pop, top, and empty operations in a stack implemented using the STL std::stack?O(1) for all operationsO(log n) for all operationsO(1) for push and pop, O(n) for top and emptyO(n) for all operations

What is the time complexity of the push() operation in an array-based stack?