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Questions tagged [roman-numerals]

The Roman numeral system is an ancient way of representing numbers. The base symbols are I (1), V (5), X (10), L (50), C (100), D (500) and M (1000).

Roman numerals on Wikipedia

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Roman to Integer - But using a "different" Roman number system

I had an interview in which I did terribly. So, now I'm trying to find the solution to the question. Here is the interview question: "We have the following mapping: M: 1000, D: 500, C: 100, L: 50, X: 10, V: 5, I: 1. And we have the following…
user224567893
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Convert integers to roman numerals using a syntax-directed translation scheme?

The Dragon Book includes an exercise on converting integers to roman numerals using a syntax-directed translation scheme. How can this be completed?
Daniel Magliola
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latex: printing a variable in roman numerals

I'm typesetting in LaTeX, and I'd like to display a "variable" (in my case, a reference \ref{blah} to an item number in list) in roman rather than the default arabic. Is there an easy way to do this? Thanks for any pointers!
anon
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Roman Numeral to integer function

basically i am trying to create a function that will turn a Roman numeral into a integer. I have an array: $roman_numerals=[ 'M' => 1000, 'CM' => 900, 'D' => 500, 'CD' => 400, 'C' => 100, 'XC' => 90, 'L' => 50, …
Kolvin
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I am trying to figure out how to convert roman numerals into integers

I am trying to figure out how to convert roman numerals to integers. This is a portion of my code. When I prompt the user to enter M it shows 1000, but when I prompt the user to enter a roman numeral such as VM, it does not give me 995 but instead…
Zoro
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Objective C Number to Roman Numerals

I've been searching forever for some sample code on convert from a number to roman numerals in objective c. Anyone know where I can find a good example? Update: Nevermind, found a PHP function that does what I want and ported it. Seems to work fine…
enamrik
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Can this Roman Number to Integer converter code be shorter?

95 bytes currently in python I,V,X,L,C,D,M,R,r=1,5,10,50,100,500,1000,vars(),lambda x:reduce(lambda T,x:T+R[x]-T%R[x]*2,x,0) Here is the few test results, it should work for 1 to 3999 (assume input is valid char only) >>> r("I") 1 >>>…
YOU
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Convert arabic numerals in roman numerals in pure CSS

I'm writing a custom theme for a website, so I cannot use Javascript. I would like to convert some numbers to roman numerals. I tried this: .score:before { counter-reset: mycounter attr(score number, 0); content: counter(mycounter,…
Antoine Pietri
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Roman to Integer in JS why it only convert the first character

I try to solve the Leedcode question 13 and the question is Given a roman numeral, convert it to an integer.(Input is guaranteed to be within the range from 1 to 3999.) This is my code below, I wonder why it only converts the first character in the…
cece
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How to check if a string contains roman numerals in R?

I have a column for residential adresses in my dataset 'ad'. I want to check for addresses which has no numbers(including roman numerals) present. I'm using ad$check <- grepl("[[:digit:]]",ad$address) to flag out addresses with no digits present.…
Priya T
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prolog convert numbers into roman numerals

i have this code that converts integers into roman numerals i need to add a function that compares an integer with a roman numeral input and show if it's try or false, for example: roman(v,5). true toroman(0). toroman(N) :- N < 4, put("I"), M is N…
Muhsag
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FormatProvider vs. extension method vs. new class

I was wanting to output an integer to roman numerals and ran across this answer by Jesse Slicer. It is an extension method, but I was wondering about taking advantage of ToString(string, IFormatProvider) to do something like int a = 10; string b =…
Colin Burnett
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How to create regular expression checking Roman numerals?

I need to create regular expression which verifies if user inputs: 4 digits OR value like XXXXXX-YY, where X is roman numerals from I to XXXIII and YY is two latin characters (A-Z)
LA_
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Matching Roman Numbers

I have regular expression (IX|IV|V?I{0,3}|M{1,4}|CM|CD|D?C{1,3}|XC|XL|L?X{1,3}) I use it to detect if there is any roman number in text. eregi("( IX|IV|V?I{0,3}[\.]| M{1,4}[\.]| CM|CD|D?C{1,3}[\.]| XC|XL|L?X{1,3}[\.])", $title, $regs) But format…
M.V.
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.NET naming standard for class names with Roman numerals

I am working on a new project that involves government funding. As such we will have objects (classes, properties, methods) that reference government legislation which have names like Title II, Title IV-A, Title IX, Title XVI, etc. We are following…
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