duckyluuk (he/him) 🇳🇱

102,436
104,643
💎29
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🥈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
4th 18th 1st 5th
24 Game
5th 13th 2nd
99 Bottles of Beer
6th 11th 6th
Abundant Numbers
16th 49th 1st
Abundant Numbers (Long)
12th 13th 1st
Arabic to Roman
9th 41st 6th 20th 3rd
Arithmetic Numbers
12th 11th
Arrows
9th 13th
Ascending Primes
11th 21st
ASCII Table
11th 16th 3rd
Billiards
5th 7th
brainfuck
7th 6th 14th
Card Number Validation
4th 1st 12th 2nd
Catalan Numbers
4th 1st
Catalan’s Constant
11th 1st 32nd
Christmas Trees
10th 22nd 13th 4th
Collatz
18th 62nd 7th 32nd 5th
CSS Colors
23rd 1st 29th 3rd
Cubes
8th 19th
Day of Week
14th 1st 1st1st 3rd
DFA Simulator
3rd 21st 2nd 6th 💎
Diamonds
9th 17th 💎
Divisors
20th 163rd 1st 1st 4th
Emirp Numbers
16th 10th 12th 3rd
Emirp Numbers (Long)
6th 19th
Emojify
9th 16th 2nd
Evil Numbers
8th 60th 9th 1st 4th
Evil Numbers (Long)
17th 39th 8th 33rd 3rd
Factorial Factorisation
6th 19th 11th 4th
Farey Sequence
12th 19th 5th 18th 1st
Fibonacci
12th9th8th39th18th14th 21st19th 29th 30th1st 6th1st 32nd12th49th1st24th7th7th38th
Fizz Buzz
13th 1st1st 8th 19th 3rd
Foo Fizz Buzz Bar
16th 33rd 16th 4th
Forsyth–Edwards Notation
12th 5th 13th 2nd
Fractions
12th 1st 1st 2nd1st
Game of Life
8th 20th 4th 10th 1st
Gijswijt’s Sequence
8th 3rd 11th 2nd
Happy Numbers
12th 8th 30th 4th
Happy Numbers (Long)
10th 16th 4th
Hexdump
14th 35th
Intersection
12th 32nd 17th
Inventory Sequence
13th 10th 22nd 3rd
ISBN
10th 28th 10th 3rd
Jacobi Symbol
11th 23rd
Kaprekar Numbers
13th 27th 25th 4th
Kolakoski Constant
8th 5th 20th
Kolakoski Sequence
11th 40th 6th 13th 4th
Leap Years
27th 170th 104th 4th
Levenshtein Distance
9th 17th
Leyland Numbers
15th 1st 4th
ln 2
19th 1st 5th
Look and Say
14th 15th 1st11th 26th 2nd
Lucky Numbers
10th 12th 3rd
Lucky Tickets
15th 25th
Mahjong
9th 9th
Mandelbrot
9th 9th 💎
Maze
10th 18th
Medal Tally
3rd 26th 5th 1st 3rd
Morse Decoder
6th 9th
Morse Encoder
7th 9th
Musical Chords
8th 14th
N Queens
4th 16th 8th 💎
Niven Numbers
26th 1st 33rd 5th
Niven Numbers (Long)
17th 15th 35th 3rd
Number Spiral
5th 4th 3rd
Odious Numbers
9th 50th 9th 1st 4th
Odious Numbers (Long)
9th 35th 9th 1st 3rd
Ordinal Numbers
15th 3rd 💎
PalindromemordnilaP
3rd 19th 5th 8th 3rd
Pangram Grep
25th 40th 30th 3rd
Partition Numbers
16th 45th 2nd
Pascal’s Triangle
17th 38th 40th
Pernicious Numbers
32nd 81st 3rd
Pernicious Numbers (Long)
14th 1st 3rd
Poker
3rd 8th
Polyominoes
7th 10th 💎
Prime Numbers
30th 77th 81st 16th 47th 1st
Prime Numbers (Long)
23rd 62nd 40th 15th 44th 5th
Proximity Grid
7th 12th 💎
QR Decoder
7th 14th
Quine
1st 1st25th 30th1st 182nd 23rd1st 63rd 1st
Recamán
12th 35th 20th
Repeating Decimals
16th 30th
Reverse Polish Notation
12th 51st 27th 2nd
Reversi
8th 12th
Rijndael S-box
10th 18th 3rd
Rock-paper-scissors-Spock-lizard
8th 12th 💎
Roman to Arabic
9th 25th 1st 1st
ROT13
13th 1st 3rd
Rule 110
19th 50th 3rd
Scrambled Sort
12th 4th 💎
Set
11th 6th 2nd
Seven Segment
13th 28th 2nd
SI Units
8th 18th
Sierpiński Triangle
13th 18th 35th 💎
Smith Numbers
10th 16th
Spelling Numbers
18th76th 20th 💎
Star Wars GPT
9th 34th 2nd
Star Wars Opening Crawl
12th 11th
Sudoku
9th 16th
Sudoku (Fill-in)
7th 13th
Ten-pin Bowling
14th 17th
Tic-tac-toe
13th 22nd 9th 💎
Time Distance
11th 9th 2nd
Tongue-twisters
10th 18th 💎
Transpose Sentence
8th 3rd 10th 4th
United States
10th 20th 22nd 💎
Vampire Numbers
5th 5th
Van Eck Sequence
7th 24th 1st 2nd
Zeckendorf Representation
3rd 18th 1st 5th
Zodiac Signs
10th 18th
γ
10th 1st5th 19th 3rd
λ
10th 4th 21st 3rd
π
8th 9th13th1st5th 9th 3rd
τ
7th 8th13th58th4th 7th 4th
φ
15th 14th 41st 29th 5th
√2
18th 32nd 14th 1st 5th
𝑒
17th 1st6th 1st 5th