Primes
Let's discuss primes! A natural number is considered a prime if it is: Greater than 1 Its divisors are only 1 and itself Examples: \(5\) has »
Phone Number Mnemonics in Python
Recursion is a great way to come up with permutations of strings or elements. Not necessarily because of the performance (iterative styles are usually faster) but »
Overlapping linked lists
Given two linked list nodes, one might overlap the other. That is, one linked list might contain a sequence that is already in the other linked »
Detecting a cycle in a linked list
Problem Detect a cycle in a linked list and return the node that represents the start of the cycle. Input head: a pointer to the linked »
Reversing sublists of singly linked lists
Singly linked lists can be tricky in its own right. Without the convenience of having a pointer to the previous node that is provided in doubly-linked »