Solution: Roman to Integer
Explore how to convert Roman numerals to integers by applying additive and subtractive principles using a hash map. This lesson guides you through creating a value map for symbols and pairs, iterating through the numeral string efficiently, and understanding the algorithm's time and space complexity.
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,