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Ad
5 kyu
Square sums (simple)
1,082metalim
Algorithms
Mathematics
4 kyu
Permutational Primes
369raulbc777
Algorithms
Sorting
Permutations
Mathematics
Memoization
Data Structures
3 kyu
Alphabetic Anagrams
5,868Azuaron
Mathematics
Logic
Strings
Algorithms
5 kyu
count '9's from 1 to n
1,070ransy
Puzzles
Algorithms
Mathematics
4 kyu
Bernoulli numbers
242JustyFY
Fundamentals
Mathematics
Number Theory
Algorithms
6 kyu
Harshad or Niven numbers
2,449jmjjg
Fundamentals
Mathematics
Object-oriented Programming
6 kyu
Function composition
8,828matthewglover
Functional Programming
Fundamentals
5 kyu
1's, 0's and wildcards
1,588Tefferson
Combinatorics
Strings
Permutations
Puzzles
5 kyu
Lazy Repeater
7,097nklein
Iterators
Algorithms
6 kyu
String tops
1,707dcieslak
Fundamentals
Strings
4 kyu
Sum Strings as Numbers
40,738nicknovitski
Strings
Big Integers
Algorithms
6 kyu
Find X
1,381kodejuice
Puzzles
6 kyu
Angle Between Clock Hands
3,407animatedgif
Mathematics
Date Time
Algorithms
6 kyu
Sum of many ints
2,877farzher
Mathematics
Algorithms
6 kyu
Nested List Depth
1,364Nmistrata
Lists
Algorithms
7 kyu
Where's my Elements at?
293Souzooka
Mathematics
Fundamentals
7 kyu
ONE ONe One one
644joh_pot
Arrays
Performance
Fundamentals