# Roman numeral to integer

## Question

Given a Roman numeral string, write a function that returns the corresponding integer value. Keep in mind that Roman numerals also use subtractive notion, for example, IV corresponds to 4.

Below are the values for Roman numerals:

Symbol | Value |
---|---|

I | 1 |

V | 5 |

X | 10 |

L | 50 |

C | 100 |

D | 500 |

M | 1000 |