DSA in Python - Roman to Integer | Mapping + Subtraction Rule | LeetCode 13 | Part 226 [Hindi]

📘 Welcome to Part 226 of Code & Debug’s DSA in Python Course! Convert a Roman numeral string to its integer using a single pass and the subtraction rule. Map each Roman symbol to its value; when a symbol is smaller than the next one, subtract it, otherwise add it. This yields an O(n) time, O(1) space solution that’s clean and interview-proven. 🔗 LeetCode – Roman to Integer: https://leetcode.com/problems/roman-to-integer/description/ 🔗 Companion Reading (Step-by-step with code): https://codeanddebug.in/blog/roman-to-integer/ 📄 FULL Playlist Sheet (All Videos in Order): https://docs.google.com/spreadsheets/d/1AWE15Fy3wD2iqu2vjK_R7cCiuvSsjYQclcdZmHpF66o/edit?usp=sharing 🎓 Enroll Free: Master Python DSA Course https://codeanddebug.in/course/master-dsa-with-leetcode 🚀 Advance Python DSA for FAANG (Zero to Hero Course) https://codeanddebug.in/course/zero-to-hero-python-dsa Stay focused and keep coding with Code & Debug. Like | Share | Subscribe | Hit the 🔔 #RomanToInteger #LeetCode13 #Strings #Mapping #SubtractionRule #PythonDSA #CodeAndDebug #Part226 #InterviewPrep