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Tutorials
591 Kata Found
4 kyu
Matrix Determinant
24,240
pjfranzini
8 Issues Reported
Matrix
Linear Algebra
Mathematics
Recursion
Algorithms
6 kyu
Valid Phone Number
20,829
xDranik
2 Issues Reported
Regular Expressions
Algorithms
6 kyu
Kids and candies
838
sebaas
Algorithms
6 kyu
Goldbach's Conjecture
601
rsalgado
Algorithms
Number Theory
6 kyu
Multiples of 3 and 5 redux
1,992
yumaikas
Algorithms
Mathematics
5 kyu
Mean Square Error
22,238
kylehill
Arrays
Mathematics
Algorithms
6 kyu
Mutual Recursion
8,669
dnolan
1 Issue Reported
Mathematics
Algorithms
Recursion
7 kyu
Decoding a message
2,922
samhstn
Puzzles
Algorithms
Cryptography
Security
Games
6 kyu
Grouped by commas
10,636
agram
2 Issues Reported
Algorithms
6 kyu
N-th Fibonacci
21,606
boatmeme
3 Issues Reported
Algorithms
5 kyu
ISBN-10 Validation
11,390
nklein
4 Issues Reported
Regular Expressions
Algorithms
6 kyu
Sum of Digits / Digital Root
288,600
user578387
3 Issues Reported
Mathematics
Algorithms
7 kyu
Lojban Numbers
713
alexlostorto
Strings
Algorithms
Parsing
5 kyu
int32 to IPv4
28,178
sahglie
Networks
Bits
Algorithms
7 kyu
Replace every nth
4,648
user5036852
Algorithms
Strings
7 kyu
Status Arrays
611
NoSoCo
Arrays
Algorithms
4 kyu
Adding Big Numbers
33,978
Becojo
4 Issues Reported
Mathematics
Big Integers
Algorithms
7 kyu
White or Black?
1,895
varCODEx
Algorithms
8 kyu
Count the Monkeys!
72,756
PG1
1 Issue Reported
Arrays
Fundamentals
Lists
Algorithms
7 kyu
Which section did you scroll to?
2,500
crianonim
Fundamentals
Algorithms
3 kyu
Divide integers as strings
1,094
Voile
Strings
Fundamentals
Big Integers
Algorithms
5 kyu
Return substring instance count - 2
3,175
ineiti
2 Issues Reported
Strings
Regular Expressions
Algorithms
6 kyu
A String of Sorts
1,967
Lordnibbler
Strings
Sorting
Algorithms
7 kyu
Password validator
8,187
tdowek1
1 Issue Reported
Fundamentals
Regular Expressions
Algorithms
5 kyu
Square Matrix Multiplication
7,730
xDranik
1 Issue Reported
Matrix
Linear Algebra
Algorithms
7 kyu
Sum of powers of 2
1,621
atrX
Fundamentals
Algorithms
7 kyu
Sort rectangles and circles by area II
2,856
JohanWiltink
Fundamentals
Algorithms
Sorting
Mathematics
Geometry
6 kyu
Find the unique number
152,974
isqua
4 Issues Reported
Fundamentals
Algorithms
Arrays
Performance
4 kyu
A Simplistic TCP Finite State Machine (FSM)
7,284
oldccoder
3 Issues Reported
State Machines
Algorithms
7 kyu
The Poet And The Pendulum
4,803
MrZizoScream
4 Issues Reported
Fundamentals
Arrays
Algorithms
Performance
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