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1 kyu
7×7 Skyscrapers
1,962JohanWiltink
Completed Languages:
2 kyu
6 By 6 Skyscrapers
2,443FrankK
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4 kyu
4 By 4 Skyscrapers
3,548FrankK
Completed Languages:
4 kyu
Smallest possible sum
7,466dkhaburdzania
Completed Languages:
8 kyu
Adults only (SQL for Beginners #1)
32,891MaikelNabil
Completed Languages:
8 kyu
SQL Basics: Mod
16,132PG1
Completed Languages:
8 kyu
For Twins: 2. Math operations
10,063Mishaboo
Completed Languages:
4 kyu
Range Extraction
57,531jhoffner
Completed Languages:
8 kyu
Returning Strings
225,031Aweson1
Completed Languages:
4 kyu
Next bigger number with the same digits
37,290GiacomoSorbi
Completed Languages:
6 kyu
Roman Numerals Encoder
55,223jhoffner
Completed Languages:
6 kyu
Find the missing letter
97,005user5036852
Completed Languages:
5 kyu
First non-repeating character
69,039OverZealous
Completed Languages:
6 kyu
Does my number look big in this?
172,244JulianNicholls
Completed Languages:
6 kyu
Fibonacci, Tribonacci and friends
13,220GiacomoSorbi
Completed Languages:
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