Top Algorithm Interview Questions Fully Explained: Convert Roman numbers to Int

Roman numbers are written using I (1), V (5), X(10), ... and in this question we are going to convert them to the Arabic or Integer numbers we know. So XVII should return 17 but there is a catch! If an I, V, .. comes BEFORE a larger sign, we should decrease the value; so IV is 4 and XIV is 14.

Link on leetcode: https://leetcode.com/problems/roman-to-integer/description/?envType=study-plan-v2&envId=top-interview-150 ... https://www.youtube.com/watch?v=eO88LrERCAc