The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Reverse Polish Notation in Python in chars. 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 199th b10011 🇫🇮 510 155 17ms 21 Jan 2023 199th Stockoh 🇫🇷 510 155 16ms 17 Oct 2024 203rd trist224 🇫🇷 503 157 10ms 29 Nov 2022 203rd TaserTheFox 🇺🇸 503 157 16ms 20 Jan 2023 205th neihousaigaai 497 159 22ms 20 Feb 2022 205th brimstonetrader 497 159 17ms 8 Jan 2024 205th qpwoeirut 497 159 11ms 19 Nov 2025 205th Emutis 🇱🇹 497 159 17ms 1 Mar 2026 209th AdamMorris377 494 160 20ms 29 Aug 2024 210th glesnick 488 162 16ms 15 Jul 2022 210th m42km 488 162 29ms 3 Feb 2024 210th nilan425 488 162 17ms 4 Jul 2025 213th zlee1 485 163 16ms 27 Apr 2022 213th aglahir1 485 163 20ms 20 Jul 2022 213th FortuiteMan 🇫🇷 485 163 11ms 3 Sep 2023 213th tomh1012 485 163 17ms 2 Mar 2026 217th yishayv 479 165 16ms 24 Jan 2023 218th za3k 476 166 11ms 8 Oct 2022 218th willdaspit 476 166 16ms 5 Aug 2023 220th bbakersmith 473 167 16ms 28 Jun 2022 221st msbranicky 470 168 16ms 5 Aug 2023 222nd MichaelMBradley 🇨🇦 467 169 15ms 25 May 2022 222nd try-except-try-accept 🇹🇭 467 169 15ms 27 Jun 2022 222nd jameswmccarty 467 169 16ms 13 Sep 2024 225th Y0UR-U5ERNAME 465 170 16ms 22 Feb 2023 225th FoxFGC 465 170 17ms 30 Nov 2023 225th zgialor-lab 465 170 15ms 16 days ago 228th Eugen-str 462 171 16ms 1 Nov 2023 228th ridingqwerty 🇺🇸 462 171 17ms 20 May 2025 230th RZ781 451 175 9ms 27 Nov 2023 231st jhpaques 🇫🇷 449 176 16ms 27 Jul 2022 232nd Florian-Mt 446 177 15ms 15 Jul 2024 233rd CheeseCake628 🇳🇴 439 180 18ms 11 Dec 2023 233rd rustykitty 🇺🇸 439 180 10ms 31 Oct 2025 235th Trunksistor 🇫🇷 432 183 16ms 14 Apr 2022 236th jacksonhenry3 429 184 15ms 7 Mar 2023 237th S-Ruban 427 185 15ms 28 Feb 2023 238th EnisEfe0 422 187 15ms 11 May 2025 239th dranjohn 420 188 17ms 11 Sep 2023 240th guilhem-roy 🇫🇷 416 190 12ms 3 Mar 2022 241st VictorFordham 414 191 10ms 14 Feb 2024 242nd dillon-duncando 409 193 16ms 22 Sep 2022 243rd Omega65536 🇩🇪 403 196 9ms 29 Nov 2022 243rd celiendonze 🇨🇭 403 196 16ms 5 Jul 2023 245th twocatsinatrenchcoat 401 197 18ms 5 Jun 2022 245th austinrwarner 401 197 23ms 12 Aug 2022 247th Starwort 🇬🇧 399 198 9ms 11 Nov 2022 248th AkashTandon167 397 199 21ms 5 Mar 2022 248th Andrey135296 397 199 10ms 25 Oct 2022 248th roguh 🇬🇹 397 199 9ms 8 Jan 2024 248th lhulinsky 397 199 17ms 21 Oct 2024 252nd jtaxen 393 201 10ms 18 Apr 2024 253rd krcs 🇵🇱 387 204 20ms 23 Jan 2023 253rd kurkale6ka 387 204 11ms 15 Dec 2025 255th shibacho 🇯🇵 383 206 15ms 30 Nov 2022 256th gigaprofisi 🇺🇸 376 210 9ms 4 Nov 2025 257th Ripick 373 212 10ms 1 Feb 2023 258th a-penton 361 219 11ms 22 Sep 2022 258th TheZwierzLF 🇵🇱 361 219 12ms 20 Dec 2025 260th Andrey2001 359 220 12ms 1 Feb 2026 261st crhenley 🇺🇸 321 246 10ms 27 Oct 2023 262nd mdnestor 320 247 16ms 23 Dec 2022 263rd YAJUE114514 317 249 11ms 14 Dec 2025 264th Chimplement 306 258 11ms 30 Dec 2023 265th mbittner20 298 265 11ms 27 May 2023 266th NoneTheFewer 297 266 10ms 26 Dec 2025 267th atazzam 🇺🇸 289 273 10ms 17 Oct 2022 268th leonardbauer 🇩🇪 278 284 10ms 20 Jan 2023 269th 08jne01 273 289 15ms 27 Nov 2024 270th Zach1031 264 299 10ms 14 Nov 2025 271st muser-logiccpu 🇺🇦 239 331 11ms 19 Aug 2025 272nd willpiam 205 385 10ms 31 Oct 2023 273rd ariesmarinus 196 404 10ms 29 Nov 2024 274th atombear 174 454 12ms 24 Jun 2022 275th apetersen-real 167 473 16ms 26 Oct 2023 276th AidanWalter 122 645 10ms 3 Jan 2025 277th shinylego 121 655 11ms 19 Oct 2022 278th Zhenyu-Bo 101 782 11ms 1 Aug 2025 First Prev 201–278 of 278