The function romanToInt () was expected to convert a valid Roman numeral string (e.g., "MCMXCIV") to its correct integer representation (1994) without any error or incorrect calculation.

Writing a Roman Numeral Converter Let's get to some coding. The first challenge is to figure out how to convert individual Roman numeral values to their decimal equivalent. We humans can just glance ...

# For example, 2 is written as II in Roman numeral, just two ones added together. 12 is written as XII, which is simply X + II. The number 27 is written as XXVII, which is XX + V + II. # Roman ...