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1 kyu
7×7 Skyscrapers
2,108JohanWiltink
Completed Languages:
2 kyu
6 By 6 Skyscrapers
2,548FrankK
Completed Languages:
4 kyu
4 By 4 Skyscrapers
3,782FrankK
Completed Languages:
4 kyu
Smallest possible sum
8,170dkhaburdzania
Completed Languages:
8 kyu
Adults only (SQL for Beginners #1)
34,976MaikelNabil
Completed Languages:
8 kyu
SQL Basics: Mod
17,012PG1
Completed Languages:
8 kyu
For Twins: 2. Math operations
10,327Mishaboo
Completed Languages:
4 kyu
Range Extraction
61,496jhoffner
Completed Languages:
8 kyu
Returning Strings
246,291Aweson1
Completed Languages:
4 kyu
Next bigger number with the same digits
39,686GiacomoSorbi
Completed Languages:
6 kyu
Roman Numerals Encoder
57,951jhoffner
Completed Languages:
6 kyu
Find the missing letter
101,653user5036852
Completed Languages:
5 kyu
First non-repeating character
74,694OverZealous
Completed Languages:
6 kyu
Does my number look big in this?
185,773JulianNicholls
Completed Languages:
6 kyu
Fibonacci, Tribonacci and friends
13,888GiacomoSorbi
Completed Languages:
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