brightlightkim

Question: Three in One: Describe how you could use a single array to implement three stacks. My Thought Process: The first one is from the beginning. The middle one The last one is from the end. Problem: Stack will not have an equal size. Answer: Stack 1: [0, n/3] Stack 2: [n/3, 2n/3] Stack 3: [2n/3, n] Implementation: public class ThreeStackInOne { private int numberOfStacks = 3; private int st..

Stack (Last-In-First-Out) pop(): remove the top item from the stack push(item): add an item to the top of the stack peek(): return the top of the stack isEmpty(): Return true if and only if the stack is empty Stack Features: It does not offer constant-time access to the ith item. However, it does allow constant-time adds and removes, as it doesn't require shifting elements around. public class M..