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4 kyu
Regular Expressions (groups): Splitting phone numbers into their separate parts.
308Helral
Completed Languages:
3 kyu
Help the general decode secret enemy messages.
4,944Coldberg
Completed Languages:
3 kyu
Texas Hold'em Hands
1,481jakber
Completed Languages:
5 kyu
Human Readable Time
150,902BattleRattle
Completed Languages:
4 kyu
A Simplistic TCP Finite State Machine (FSM)
7,495oldccoder
Completed Languages:
4 kyu
Path Finder #1: can you reach the exit?
9,790evk
Completed Languages:
5 kyu
Number of trailing zeros of N!
57,809Ivan Diachenko
Completed Languages:
5 kyu
Play with two Strings
3,614smile67
Completed Languages:
5 kyu
Base -2
1,068sergiogarciadev
Completed Languages:
4 kyu
All Balanced Parentheses
6,832xcthulhu
Completed Languages:
4 kyu
So Many Permutations!
49,941BattleRattle
Completed Languages:
6 kyu
Sum of Digits / Digital Root
290,688user578387
Completed Languages:
7 kyu
Coloured Triangles
11,244Avanta
Completed Languages:
4 kyu
Find the unknown digit
8,509JJ-Bug
Completed Languages:
4 kyu
Hamming Numbers
12,470xcthulhu
Completed Languages:
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