C++ || Roman Numeral Conversion – How To Convert Roman Numeral To Integer & Integer To Roman Numeral Using C++

Print Friendly, PDF & Email

The following is a program with functions which demonstrates how to convert roman numerals to integer, and integers to roman numerals.

The sample program implemented on this page is an updated version of a homework assignment which was presented in a C++ Data Structures course. This program was assigned in order to practice the use of the class data structure, which is very similar to the struct data structure.


1. Roman Numeral Conversion

The example below demonstrates how to convert integers to roman numerals and roman numerals to integers.

QUICK NOTES:
The highlighted lines are sections of interest to look out for.

The code is heavily commented, so no further insight is necessary. If you have any questions, feel free to leave a comment below.

Once compiled, you should get this as your output

======= Decimal Test Start =======
Original = 1987.000000
Converted = MCMLXXXVII
Converted Back To Original = 1987.000000
======= Decimal Test End =======

======= Roman Test Start =======
Original = McMxcI
Converted = 1991.000000
Converted Back To Original = MCMXCI
======= Roman Test End =======

Leave a Reply