duckyluuk (he/him) 🇳🇱

102,436
104,649
💎29
🥇134
🥈31
🥉62

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118 / 118 Holes

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27 / 60 Langs

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55 / 82 Cheevos

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1 Hole Authored

3 Referrals

12 Days of Christmas
5th 7th 3rd 5th
24 Game
12th 24th 2nd
99 Bottles of Beer
5th 25th 6th
Abundant Numbers
17th 89th 1st
Abundant Numbers (Long)
19th 69th 1st
Arabic to Roman
18th 23rd 6th 82nd 3rd
Arithmetic Numbers
14th 23rd
Arrows
13th 29th
Ascending Primes
15th 33rd
ASCII Table
12th 20th 3rd
Billiards
11th 24th
brainfuck
7th 11th 37th
Card Number Validation
8th 1st 18th 2nd
Catalan Numbers
1st 1st
Catalan’s Constant
15th 1st 53rd
Christmas Trees
7th 22nd 35th 4th
Collatz
27th 62nd 7th 104th 5th
CSS Colors
16th 1st 23rd 3rd
Cubes
14th 34th
Day of Week
1st 1st 1st1st 3rd
DFA Simulator
6th 15th 2nd 7th 💎
Diamonds
14th 28th 💎
Divisors
1st 163rd 1st 1st 4th
Emirp Numbers
19th 7th 37th 2nd
Emirp Numbers (Long)
16th 43rd
Emojify
10th 23rd 2nd
Evil Numbers
5th 60th 9th 1st 4th
Evil Numbers (Long)
17th 39th 8th 33rd 3rd
Factorial Factorisation
8th 18th 19th 4th
Farey Sequence
17th 19th 5th 26th 1st
Fibonacci
12th9th8th39th18th3rd 21st1st 25th 30th1st 6th1st 32nd12th49th1st29th7th7th38th
Fizz Buzz
1st 1st1st 8th 1st 3rd
Foo Fizz Buzz Bar
1st 33rd 1st 4th
Forsyth–Edwards Notation
10th 5th 22nd 2nd
Fractions
1st 1st 1st 2nd1st
Game of Life
6th 16th 4th 8th 1st
Gijswijt’s Sequence
8th 3rd 11th 2nd
Happy Numbers
8th 8th 1st 4th
Happy Numbers (Long)
17th 39th 4th
Hexdump
24th 69th
Intersection
18th 22nd 32nd
Inventory Sequence
19th 10th 41st 3rd
ISBN
9th 28th 18th 3rd
Jacobi Symbol
17th 52nd
Kaprekar Numbers
12th 27th 42nd 4th
Kolakoski Constant
14th 5th 40th
Kolakoski Sequence
7th 40th 6th 19th 4th
Leap Years
26th 170th 104th 4th
Levenshtein Distance
21st 40th
Leyland Numbers
22nd 7th 4th
ln 2
1st 1st 5th
Look and Say
11th 15th 1st11th 61st 2nd
Lucky Numbers
19th 20th 3rd
Lucky Tickets
17th 44th
Mahjong
14th 25th
Mandelbrot
7th 15th 💎
Maze
14th 38th
Medal Tally
5th 26th 5th 1st 3rd
Morse Decoder
9th 14th
Morse Encoder
8th 17th
Musical Chords
11th 28th
N Queens
5th 13th 13th 💎
Niven Numbers
25th 1st 33rd 5th
Niven Numbers (Long)
17th 15th 37th 3rd
Number Spiral
8th 8th 3rd
Odious Numbers
4th 50th 9th 1st 4th
Odious Numbers (Long)
5th 35th 9th 1st 3rd
Ordinal Numbers
23rd 4th 💎
PalindromemordnilaP
6th 19th 5th 17th 3rd
Pangram Grep
21st 40th 51st 3rd
Partition Numbers
17th 65th 2nd
Pascal’s Triangle
27th 38th 116th
Pernicious Numbers
32nd 81st 3rd
Pernicious Numbers (Long)
12th 1st 3rd
Poker
6th 11th
Polyominoes
11th 20th 💎
Prime Numbers
28th 77th 81st 16th 47th 1st
Prime Numbers (Long)
19th 62nd 40th 15th 44th 5th
Proximity Grid
14th 29th 💎
QR Decoder
13th 25th
Quine
1st 1st25th 28th1st 182nd 23rd1st 63rd 1st
Recamán
13th 35th 23rd
Repeating Decimals
20th 60th
Reverse Polish Notation
21st 51st 61st 2nd
Reversi
13th 26th
Rijndael S-box
16th 36th 3rd
Rock-paper-scissors-Spock-lizard
15th 47th 💎
Roman to Arabic
8th 24th 1st 1st
ROT13
5th 1st 3rd
Rule 110
22nd 68th 3rd
Scrambled Sort
11th 6th 💎
Set
9th 9th 2nd
Seven Segment
18th 45th 2nd
SI Units
15th 34th
Sierpiński Triangle
12th 18th 44th 💎
Smith Numbers
11th 36th
Spelling Numbers
21st76th 50th 💎
Star Wars GPT
8th 22nd 2nd
Star Wars Opening Crawl
14th 30th
Sudoku
11th 24th
Sudoku (Fill-in)
12th 28th
Ten-pin Bowling
16th 36th
Tic-tac-toe
9th 22nd 25th 💎
Time Distance
14th 15th 2nd
Tongue-twisters
9th 17th 💎
Transpose Sentence
13th 3rd 18th 4th
United States
11th 3rd 34th 💎
Vampire Numbers
11th 18th
Van Eck Sequence
8th 24th 1st 2nd
Zeckendorf Representation
3rd 18th 1st 5th
Zodiac Signs
16th 29th
γ
13th 1st3rd 31st 3rd
λ
16th 💎 56th 3rd
π
5th 9th13th1st5th 13th 3rd
τ
4th 8th13th59th4th 9th 4th
φ
21st 14th 41st 49th 5th
√2
1st 32nd 14th 1st 5th
𝑒
1st 1st6th 1st 5th