Swift coding challenge!!
First Duplicate. Given an array a that contains only numbers in the range from 1 to a.length, find the first duplicate number for which the second occurrence has the minimal index.
I have included a solutions video!! The video gives some insight into how I’ve solved the problem. Don’t forget to try the problem out BEFORE checking out the solution video and solution code 😉 😉
If you have a coding challenge you want me to solve feel free to drop a comment or message me with the problem!! 😊 😊 let’s get swole 💪🏾 💻 💻