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4 kyu
Total increasing or decreasing numbers up to a power of 10
2,043GiacomoSorbi
Completed Languages:
4 kyu
Decode the Morse code, advanced
15,651jolaf
Completed Languages:
4 kyu
Hamming Numbers
12,533xcthulhu
Completed Languages:
5 kyu
Tic-Tac-Toe Checker
26,303eugene-bulkin
Completed Languages:
4 kyu
So Many Permutations!
50,143BattleRattle
Completed Languages:
5 kyu
ISBN-10 Validation
11,656nklein
Completed Languages:
5 kyu
Gap in Primes
21,945g964
Completed Languages:
5 kyu
Primes in numbers
31,235g964
Completed Languages:
5 kyu
Not very secure
50,467mayrsascha
Completed Languages:
5 kyu
Count IP Addresses
31,118xDranik
Completed Languages:
7 kyu
Simple Fun #176: Reverse Letter
38,828myjinxin2015
Completed Languages:
7 kyu
Shortest Word
255,022PG1
Completed Languages:
6 kyu
The Supermarket Queue
54,891mattlub
Completed Languages:
7 kyu
Round up to the next multiple of 5
36,744hwtdstrngls
Completed Languages:
6 kyu
Rectangle into Squares
33,641g964
Completed Languages:
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