Checks if stack is empty @return true if stack is empty, false in other case

Checks if queue is empty @return true if queue is empty, false in other case

Enqueue an element @param elem The element to be enqueued

Gets the stack size @return int with the stack size

Gets the queue size @return int with the queue size

Pushes an element @param elem The element to be pushed

Dequeue an element @return elem dequeued, null if queue is empty

Pops an element @return elem popped, null if stack is empty

Prints the queue on standard output

Prints the stack on standard output

array to keep record of visited nodes

Exponentiation by squaring base ^ power can be written as: if power is even: base ^ power = base ^ (power / 2) * base ^ (power / 2) if power is odd: b

Generates a slice of random numbers of size specified at line 12

Function to sort an array using insertion sort*/