Roman to Integer
Understand how to convert Roman numeral strings into integer values by applying the rules of Roman numeral notation. Learn to use hash maps to map symbols to values and handle special subtraction cases. Practice implementing a solution that processes characters efficiently to return the correct integer.
We'll cover the following...
We'll cover the following...
Statement
Given a string, s, representing a Roman numeral, return the integer value of the Roman numeral.
Seven different symbols represent Roman numerals:
Symbol | Value |
I | 1 |
V | 5 |
X | 10 |
L | 50 |
C | 100 |
D | 500 |
M | 1000 |
So, in Roman numerals,