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6 kyu
Count the smiley faces!
96,655St3f4n
Regular Expressions
Fundamentals
6 kyu
The Supermarket Queue
51,756mattlub
Arrays
Fundamentals
6 kyu
Detect Pangram
183,098anindyabd
Strings
Data Structures
Fundamentals
6 kyu
Counting Duplicates
230,915kgashok
Strings
Fundamentals
6 kyu
ATM money counter
678ost-k
Regular Expressions
Mathematics
Fundamentals
6 kyu
Write Number in Expanded Form
80,385Belax8
Strings
Mathematics
Algorithms
Fundamentals
6 kyu
Equal Sides Of An Array
126,710Shivo
Algorithms
Arrays
Fundamentals
6 kyu
Title Case
37,393user527539
Strings
Fundamentals
6 kyu
Find the unique number
145,500isqua
Fundamentals
Algorithms
Arrays
Performance
6 kyu
Highest Scoring Word
100,105PG1
Fundamentals
Strings
Arrays
6 kyu
Give me a Diamond
36,691jayeshcp
Strings
ASCII Art
Fundamentals
6 kyu
Consecutive strings
79,500g964
Fundamentals
6 kyu
Array.diff
284,912marcinbunsch
Arrays
Fundamentals
Algorithms
7 kyu
Flatten and sort an array
28,432lilsweetcaligula
Arrays
Sorting
Fundamentals
7 kyu
Maximum Length Difference
28,902g964
Fundamentals
7 kyu
Summing a number's digits
38,446mweiss
Fundamentals
8 kyu
String cleaning
25,675mkelty
Regular Expressions
Fundamentals
Strings
7 kyu
The Coupon Code
30,670yaphi1
Date Time
Strings
Fundamentals
6 kyu
Tortoise racing
31,881g964
Fundamentals
Mathematics
Algorithms
8 kyu
Convert to Binary
34,543JapaX
Mathematics
Algorithms
Fundamentals
7 kyu
Power of two
24,998yuriy.tsemashko
Mathematics
Algorithms
Fundamentals
6 kyu
The Vowel Code
20,606yaphi1
Arrays
Strings
Regular Expressions
Fundamentals
8 kyu
Power
11,641hokon86
Restricted
8 kyu
Basic subclasses - Adam and Eve
18,382hansrusten
Fundamentals
Object-oriented Programming
7 kyu
Filter the number
18,403matt c
Strings
Fundamentals
7 kyu
Switcheroo
17,398PG1
Fundamentals
Strings
8 kyu
Color Ghost
18,939ogryzek
Object-oriented Programming
Fundamentals
7 kyu
Alphabet war
18,280dcieslak
Fundamentals
Strings
7 kyu
Binary Addition
178,438garrettguy457
Binary
Fundamentals
6 kyu
If you can read this...
12,142henryhamon
Fundamentals
7 kyu
Evens and Odds
6,814ocirion
Fundamentals
Binary
8 kyu
Finish Guess the Number Game
9,680brunolm
Fundamentals
Object-oriented Programming
4 kyu
Human readable duration format
82,760davazp
Strings
Date Time
Algorithms
6 kyu
Simple Encryption #1 - Alternating Split
28,624user5036852
Cryptography
Algorithms
Strings
Arrays
Fundamentals