Why does std::list::reverse have O(n) complexity?
Why does the reverse function for the std::list class in the C++ standard library have linear runtime? I would think that for doubly-linked … Read more
linked-list
How does finding a cycle start node in a cycle linked list work?
I understand that Tortoise and Hare’s meeting concludes the existence of a loop, but how does moving tortoise to the beginning of linked … Read more
Array versus linked-list
Why would someone want to use a linked-list over an array? Coding a linked-list is, no doubt, a bit more work than using … Read more
Why is ArrayDeque better than LinkedList
I am trying to to understand why Java’s ArrayDeque is better than Java’s LinkedList as they both implement Deque interface. I hardly see … Read more
When to use a linked list over an array/array list?
I use a lot of lists and arrays but I have yet to come across a scenario in which the array list couldn’t … Read more
How is Python’s List Implemented?
Is it a linked list, an array? I searched around and only found people guessing. My C knowledge isn’t good enough to look … Read more
When should I use a List vs a LinkedList
When is it better to use a List vs a LinkedList? 15 Answers 15
How to detect a loop in a linked list?
Say you have a linked list structure in Java. It’s made up of Nodes: class Node { Node next; // some user data … Read more
When to use LinkedList over ArrayList in Java?
I’ve always been one to simply use: List<String> names = new ArrayList<>(); I use the interface as the type name for portability, so … Read more
When to use LinkedList over ArrayList in Java?
Summary ArrayList with ArrayDeque are preferable in many more use-cases than LinkedList. If you’re not sure — just start with ArrayList. TLDR, in ArrayList … Read more