Luke Skrzypek - Submission #2

Switched to Python
(included previous Javascript and C# attempts for posterity)

Author: lukeskrzypek-sf

Luke Skrzypek Submission/1 - Python/RomanNumeralsPython.py

@@ -0,0 +1,6 @@
+import sys
+def F(n,c): 
+    return((((c[::2],c[1]+c[0]*(n-5))[n<9]),c[:2])[n==4],c[0]*n)[n<4]
+for s in open(sys.argv[1]):
+    n=int(s)
+    print(n//1000*'M'+F(n//100%10,'CDM')+F(n//10%10,'XLC')+F(n%10,'IVX'))

Luke Skrzypek Submission/RomanNumerals.js renamed to Luke Skrzypek Submission/2 - Javascript/RomanNumerals.js

@@ -1,4 +1,4 @@
 o=require('fs')
 F=(n,f,i,d)=>n<4?f.repeat(n):n==4?f+i:n<9?i+f.repeat(n-5):f+d
-o.readFileSync(process.argv[2],'utf8').split('\n').forEach(x=>{n=-(-x)
-console.log('M'.repeat(n/1e3|0)+F(n/100%10|0,'C','D','M')+F(n/10%10|0,'X','L','C')+F(n%10|0,'I','V','X'))})
+o.readFileSync(process.argv[2],'utf8').split('\n').forEach(x=>n=-(-x)
+console.log('M'.repeat(n/1e3|0)+F(n/100%10|0,'C','D','M')+F(n/10%10|0,'X','L','C')+F(n%10|0,'I','V','X')))

Luke Skrzypek Submission/3 - C#/Program.cs

@@ -0,0 +1 @@
+using S=string;var F=(int n,char f,char i,S d)=>n<4?new S(f,n):n==4?$"{f}{i}":n<9?i+new S(f,n-5):d;File.ReadAllText(args[0]).Split('\n').ToList().ForEach(l=>{var n=int.Parse(l);Console.WriteLine($"{new S('M',n/1000)}{F(n/100%10,'C','D',"CM")}{F(n/10%10,'X','L',"XC")}{F(n%10,'I','V',"IX")}");});

Luke Skrzypek Submission/3 - C#/RomanNumerals.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Luke Skrzypek Submission/README.md

@@ -1,5 +1,6 @@
-Requires node to be installed.
+This includes all three of my attempts with the main one (shortest) being the one in `1- Python`.
+The others have been included for posterity :) 
 
-
-Usage:
-`node RomanNumerals.js <FullInputFilePath>`
+1) Python: `python RomanNumeralsPython.py <file>` - 185 chars without spaces
+2) Javascript: `node RomanNumerals.js <file>` - 251 chars without spaces
+3) C#: `dotnet build RomanNumerals.csproj` - 288 chars without spaces