Roman to Arabic in C in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st Lydxn 🇨🇦 1,000 90 3ms 12 Mar 2023 1st rhdqor213 1,000 90 3ms 11 Dec 2024 1st KasperKivimaeki 🇫🇮 1,000 90 3ms 2 Apr 2025 4th primo-ppcg 🇹🇭 989 91 3ms 10 Oct 2020 5th JayXon 🇺🇸 978 92 3ms 23 Jan 2022 6th ovs-code 🇩🇪 968 93 3ms 11 Feb 2024 7th inventshah 938 96 4ms 25 Jan 2023 8th Alex-x90 🇺🇸 900 100 3ms 8 Feb 2023 9th MeWhenI 🇻🇦 857 105 3ms 5 Jul 2024 10th DialFrost 🇸🇬 849 106 3ms 12 Feb 2024 11th m-tkach 🇺🇦 769 117 4ms 21 Jan 2022 12th sean-niemann 🇺🇸 738 122 3ms 31 Oct 2023 13th Shanethegamer 🇺🇸 703 128 4ms 13 Jun 2022 14th jupj 🇫🇮 687 131 3ms 27 Aug 2022 14th plcc0 687 131 5ms 10 hours ago 16th Yewzir 🇧🇪 672 134 4ms 10 Jun 2024 17th filharmonista 652 138 3ms 13 Mar 2020 17th TeodorDyakov 🇧🇬 652 138 3ms 3 Jul 2025 19th janbehrens 🇩🇪 643 140 4ms 18 May 2023 20th not-a-pokemon 638 141 4ms 9 Sep 2025 21st CaedenHarper 🇨🇦 625 144 4ms 16 Nov 2025 22nd Natanaelel 🇸🇪 621 145 4ms 15 days ago 23rd djeedjay 🇳🇱 612 147 3ms 6 Sep 2021 24th nyoshe 552 163 3ms 25 Jan 2025 25th masinag 🇮🇹 549 164 3ms 25 Nov 2024 26th ian-h-chamberlain 🇺🇸 514 175 3ms 17 Dec 2019 27th jared-hughes 506 178 4ms 3 Aug 2022 28th Szum123321 🇵🇱 503 179 4ms 29 Nov 2023 29th c0d3-4-F00d 🇩🇪 492 183 3ms 19 Apr 2022 30th bac0id 484 186 4ms 11 Jan 2025 31st astdefu 441 204 4ms 10 Dec 2022 32nd pandapawskat 404 223 3ms 27 Sep 2021 33rd retrohun 393 229 3ms 15 Nov 2025 34th SebastianoTaddei 380 237 3ms 1 Dec 2024 35th blaztoma 🇱🇹 377 239 4ms 9 Nov 2025 36th Jonatan6 🇩🇰 372 242 4ms 3 Aug 2023 37th osmith93 359 251 3ms 6 Dec 2019 38th emgordon154 354 254 4ms 26 Jul 2024 39th madex 🇩🇪 344 262 4ms 1 Mar 2022 40th klixel 🇨🇦 340 265 3ms 20 May 2023 41st gigaprofisi 🇺🇸 337 267 3ms 16 Nov 2025 42nd HumanoidCPU 335 269 3ms 25 Jan 2025 43rd Sascha37 🇩🇪 323 279 4ms 25 Sep 2025 44th dokutan 313 288 3ms 8 Nov 2025 45th BREMAUCY 🇫🇷 303 297 3ms 8 Nov 2025 46th RYSF13 🇨🇳 297 303 3ms 24 Jun 2025 47th kmathis22 279 323 5ms 22 Dec 2025 48th tomh1012 246 366 4ms 16 days ago 49th rambox11 245 368 3ms 13 Mar 2019 50th janAkali 🇷🇺 224 402 5ms 26 days ago 51st Zach1031 222 405 4ms 21 Nov 2025 52nd Schmitt-Very-Cool 197 456 3ms 22 Nov 2025 53rd msbranicky 161 559 4ms 1 Jan 2026 54th SB-945 152 594 5ms 15 Nov 2025 55th scpchicken 🇵🇼 138 651 4ms 22 Nov 2025 56th JOrE20 135 666 4ms 23 days ago 57th bitsandbeyond 🇳🇱 131 685 3ms 7 Nov 2025 58th aksyristos 96 939 3ms 22 Nov 2025 59th snoozingnewt 🇨🇦 94 960 4ms 7 Nov 2025 60th AidanWalter 85 1,065 4ms 27 Nov 2025 61st KatieLG 🇬🇧 2 42,167 31ms 29 Mar 2024 1–61 of 61
