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    Recent Solutions

    Hole Golfer Chars Time Submitted
    Fibonacci bpharaldsson 89
    Quine Europe2048 🥇 26
    Maze kg583 🥈 143
    Sudoku kg583 💎 299
    Sudoku (Fill-in) kg583 💎 203
    QR Decoder Gandalf-19 250
    Gray Code Encoder Gandalf-19 🥇 71
    Number Spiral Gandalf-19 🥉 120
    Sudoku Gandalf-19 🥉 468
    Leap Years Gandalf-19 🥈 60
    Proximity Grid Gandalf-19 1,121
    Reversi Gandalf-19 256
    Catalan’s Constant Gandalf-19 118
    Pangram Grep Gandalf-19 🥈 92
    Zodiac Signs Gandalf-19 588
    Zeckendorf Representation Gandalf-19 238
    Yellowstone Permutation Gandalf-19 363
    United States Gandalf-19 1,230
    Ulam Sequence Gandalf-19 🥉 258
    Transpose Sentence Gandalf-19 412
    Topological Sort Gandalf-19 653
    Time Distance Gandalf-19 620
    Tic-tac-toe Gandalf-19 404
    Thue–Morse Constant Gandalf-19 193
    Taxicab Numbers Gandalf-19 299
    Sphenic Numbers Gandalf-19 🥉 335
    Smooth Numbers Gandalf-19 434
    Seven Segment Gandalf-19 370
    Set Gandalf-19 565
    Scrambled Sort Gandalf-19 543
    Roman to Arabic Gandalf-19 322
    Rock-paper-scissors-Spock-lizard Gandalf-19 699
    Rijndael S-box Gandalf-19 488
    Reverse Polish Notation Gandalf-19 246
    Repeating Decimals Gandalf-19 631
    Pernicious Numbers (Long) Gandalf-19 105
    PalindromemordnilaP Gandalf-19 176
    Ordinal Numbers Gandalf-19 202
    Nim Gandalf-19 210
    Narcissistic Numbers Gandalf-19 261
    N Queens Gandalf-19 289
    Musical Chords Gandalf-19 875
    Morse Decoder Gandalf-19 1,087
    Minesweeper Gandalf-19 498
    Maze Gandalf-19 1,176
    Lucky Tickets Gandalf-19 384
    Leyland Numbers Gandalf-19 354
    Levenshtein Distance Gandalf-19 445
    Kaprekar Numbers Gandalf-19 1,103
    Jacobi Symbol Gandalf-19 476
    ISBN Gandalf-19 199
    Intersection Gandalf-19 258
    Gray Code Decoder Gandalf-19 185
    Game of Life Gandalf-19 616
    Fractions Gandalf-19 109
    Farey Sequence Gandalf-19 202
    Factorial Factorisation Gandalf-19 330
    Emojify Gandalf-19 481
    Emirp Numbers Gandalf-19 230
    Emirp Numbers (Long) Gandalf-19 231
    Divisors Gandalf-19 109
    Diamonds Gandalf-19 405
    Day of Week Gandalf-19 410
    Continued Fractions Gandalf-19 261
    Card Number Validation Gandalf-19 347
    Calendar Gandalf-19 1,074
    Ascending Primes Gandalf-19 430
    Arrows Gandalf-19 388
    Multitap Input Gandalf-19 🥉 171
    Ten-pin Bowling Gandalf-19 717
    ROT13 Gandalf-19 273
    Morse Encoder Gandalf-19 770
    ASCII Table Gandalf-19 213
    Gijswijt’s Sequence kg583 🥉 125
    Vampire Numbers Gandalf-19 223
    Prime Numbers Gandalf-19 58
    Medal Tally Gandalf-19 🥉 156
    Hexdump Gandalf-19 191
    Abundant Numbers (Long) Gandalf-19 🥇 75
    Forsyth–Edwards Notation Gandalf-19 164
    𝑒 Gandalf-19 🥇 40
    Abundant Numbers Gandalf-19 74
    Tower of Hanoi Gandalf-19 91
    Kolakoski Constant Gandalf-19 188
    Alphabetic Numbers Gandalf-19 91
    Gijswijt’s Sequence Gandalf-19 💎 116
    Semiprime Numbers Gandalf-19 🥈 97
    √2 Gandalf-19 🥇 45
    φ Gandalf-19 🥇 53
    Arithmetic Numbers Gandalf-19 🥉 135
    Smith Numbers Gandalf-19 🥉 191
    τ snoozingnewt 58
    π snoozingnewt 49
    τ Gandalf-19 53
    ln 2 Gandalf-19 45
    π Gandalf-19 🥇 46
    Spelling Numbers Gandalf-19 🥇 48
    Mandelbrot Gandalf-19 188
    Niven Numbers (Long) Gandalf-19 🥇 86
    Catalan Numbers Gandalf-19 61