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4 kyu
Strings Mix
23,186g964
Fundamentals
Strings
4 kyu
Human readable duration format
82,753davazp
Strings
Date Time
Algorithms
3 kyu
Sudoku Solver
14,133pineappleclock
Games
Game Solvers
Algorithms
2 kyu
Simple SQL Engine
493SteveRuble
SQL
Parsing
Sets
Databases
Algorithms
1 kyu
7×7 Skyscrapers
1,966JohanWiltink
Algorithms
Games
Performance
4 kyu
Sum of Intervals
38,644xDranik
Algorithms
Performance
2 kyu
6 By 6 Skyscrapers
2,445FrankK
Mathematics
Puzzles
Games
Arrays
Matrix
Algorithms
2 kyu
Regular expression parser
1,031phaul
Parsing
Functional Programming
Algorithms
1 kyu
Mine Sweeper
1,247myjinxin2015
Puzzles
Game Solvers
1 kyu
Functional SQL
2,732surtich
Functional Programming
Algorithms
4 kyu
So Many Permutations!
47,501BattleRattle
Permutations
Strings
Algorithms
4 kyu
Name Your Space
1,650adamin
Object-oriented Programming
Algorithms
4 kyu
UriBuilder
1,667jhoffner
Object-oriented Programming
Strings
Parsing
Algorithms
Retired
Calculator (retired)
11,547obrok
Algorithms
Parsing
Logic
Strings
Expressions
Basic Language Features
Fundamentals
3 kyu
Make a spiral
14,641Bugari
Algorithms
Arrays
Logic
3 kyu
The builder of things
1,003jhoffner
Metaprogramming
Domain Specific Languages
Algorithms
Language Features