The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Recamán 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 rhdqor213 1,000 68 2ms 8 Apr 2024 1st JohandeRuiter 🇳🇱 1,000 68 2ms 8 Jul 2024 1st KasperKivimaeki 🇫🇮 1,000 68 2ms 13 Aug 2025 4th sisyphus-ppcg 🇦🇺 944 72 2ms 27 Dec 2020 4th primo-ppcg 🇹🇭 944 72 2ms 5 Jun 2021 4th NewDefectus 🇮🇱 944 72 1ms 5 Jun 2021 4th JayXon 🇺🇸 944 72 2ms 6 Jun 2021 4th Lydxn 🇨🇦 944 72 2ms 6 Jun 2021 4th nwellnhof 🇩🇪 944 72 1ms 15 Jun 2021 4th m-tkach 🇺🇦 944 72 1ms 6 Aug 2021 4th Irratix 🇳🇱 944 72 1ms 9 Sep 2021 4th southpolenator 944 72 2ms 16 Jun 2023 4th ognen98 944 72 2ms 16 Jun 2023 4th 09cf 944 72 2ms 17 Oct 2023 4th ovs-code 🇩🇪 944 72 1ms 18 Feb 2024 4th DialFrost 🇸🇬 944 72 2ms 19 Dec 2024 4th xiaoyiming123 944 72 2ms 23 Jul 2025 4th AdrienHache 🇫🇷 944 72 4ms 16 hours ago 19th tsunderu 🇯🇵 932 73 2ms 14 Sep 2021 19th inventshah 932 73 1ms 23 Jan 2022 19th LorenzoDeGaspari 932 73 2ms 20 Jun 2022 19th MeWhenI 🇻🇦 932 73 1ms 8 Dec 2022 19th KenanHanke 932 73 2ms 25 Feb 2023 19th Steffan153 🇫🇮 932 73 1ms 25 Mar 2023 19th sean-niemann 🇺🇸 932 73 2ms 22 Jul 2024 19th Bpc-CPU 932 73 2ms 23 Jul 2025 27th jared-hughes 919 74 1ms 16 Mar 2022 27th janbehrens 🇩🇪 919 74 1ms 21 Nov 2022 27th qwertyuiop3 🇷🇺 919 74 2ms 2 Jun 2025 30th djeedjay 🇳🇱 907 75 2ms 5 Sep 2021 30th SirBogman 🇺🇸 907 75 2ms 14 Dec 2021 30th Bmrl7 907 75 2ms 8 Mar 2024 33rd xkacer 🇨🇿 883 77 1ms 7 Feb 2021 34th namcartoon06 872 78 2ms 30 Jun 2023 34th iczelia 🇩🇪 872 78 1ms 15 Oct 2025 36th Starwort 🇬🇧 861 79 1ms 11 Nov 2022 37th weliveinhell 🇭🇹 850 80 1ms 16 Sep 2023 37th TeodorDyakov 🇧🇬 850 80 2ms 30 Jun 2025 39th thebuilder6 🇺🇸 840 81 2ms 23 Oct 2021 40th Mabeloid 🇳🇴 829 82 1ms 22 Oct 2025 41st neihousaigaai 819 83 1ms 7 Apr 2021 42nd luuumine 🇫🇷 764 89 3ms 24 days ago 43rd Alex-x90 🇺🇸 747 91 2ms 15 Feb 2023 44th madex 🇩🇪 667 102 2ms 23 Mar 2021 45th ryguyNelson 660 103 1ms 15 Oct 2021 46th generot 🇧🇬 630 108 2ms 31 Mar 2021 46th ibexq 630 108 2ms 30 Sep 2022 48th bac0id 624 109 2ms 2 Jul 2024 49th CatsAreFluffy 607 112 2ms 15 Jan 2023 49th emgordon154 607 112 2ms 25 Nov 2024 51st c0d3-4-F00d 🇩🇪 602 113 1ms 26 Aug 2021 51st DrPiranoid 602 113 1ms 7 Oct 2022 53rd Re-Adventures 🇮🇳 596 114 2ms 25 Jun 2021 53rd snoozingnewt 🇨🇦 596 114 2ms 9 Oct 2025 55th Herbert00709 🇵🇱 591 115 2ms 7 Jun 2024 56th Yewzir 🇧🇪 581 117 2ms 9 Feb 2024 57th pandapawskat 576 118 2ms 2 Sep 2021 58th AIn0n 557 122 2ms 19 Aug 2021 59th isaiah0311 523 130 2ms 16 Feb 2023 59th dokutan 523 130 2ms 6 Jun 2025 61st calinous 🇷🇴 496 137 2ms 27 Feb 2023 62nd msbranicky 482 141 2ms 10 Jan 2024 63rd elttil 386 176 2ms 18 Jun 2024 64th tegenton 74 913 1ms 14 Oct 2021 64th retrohun 74 913 2ms 26 Dec 2022 64th Haksell 🇦🇶 74 913 1ms 28 Feb 2023 64th Shanethegamer 🇺🇸 74 913 2ms 13 Sep 2023 64th HumanoidCPU 74 913 1ms 16 Nov 2023 64th CaedenHarper 🇨🇦 74 913 2ms 23 Jan 2025 64th Maashau 74 913 2ms 13 days ago 71st KatieLG 🇬🇧 74 915 2ms 27 Dec 2020 72nd KatieLG-Transpiler 🇬🇧 58 1,166 1ms 23 Jun 2022 1–72 of 72
