Questions posées lors d’un entretien d’embauche pour Software Engineer chez DoubleVerify

Questions of code with lists and stuff

On phone: 1. you have a ladder and a frog that can jump 1, 3 or 5 steps at a time. How many options do you have to get to the end of an nth level ladder? On site: In a sorted array, find how many occurrences of a certain number there are in best complexity. I had to implement it in coder pad.