Roman to Integer
Explore how to convert Roman numeral strings into integer values by using hash maps. Learn to handle standard numeral combinations and special subtraction cases. This lesson deepens your understanding of key operations on hash maps while solving a common coding interview problem.
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,