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6 kyu
Decode the Morse code
117,923jolaf
Completed Languages:
3 kyu
N-Parasitic Numbers Ending in N
935LesRamer
Completed Languages:
3 kyu
Breaking the Vigenère Cipher
389petermaier1
Completed Languages:
5 kyu
Unique digits sequence
829KenKamau
Completed Languages:
3 kyu
Help the general decode secret enemy messages.
4,729Coldberg
Completed Languages:
3 kyu
Prime Streaming (PG-13)
4,943jcsahnwaldt
Completed Languages:
4 kyu
Path Finder #2: shortest path
4,739evk
Completed Languages:
4 kyu
Path Finder #1: can you reach the exit?
9,467evk
Completed Languages:
3 kyu
Screen Locking Patterns
4,850rsalgado
Completed Languages:
3 kyu
How many are smaller than me II?
2,565joh_pot
Completed Languages:
4 kyu
Vigenère Cipher Helper
8,479jacobb
Completed Languages:
4 kyu
Catching Car Mileage Numbers
17,308OverZealous
Completed Languages:
4 kyu
Next bigger number with the same digits
38,306GiacomoSorbi
Completed Languages:
4 kyu
Validate Sudoku with size `NxN`
9,508cbmono
Completed Languages:
4 kyu
Twice linear
23,368g964
Completed Languages:
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