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6 kyu
Count the smiley faces!
94,571St3f4n
Regular Expressions
Fundamentals
6 kyu
The Supermarket Queue
50,474mattlub
Arrays
Fundamentals
6 kyu
Detect Pangram
178,424anindyabd
Strings
Data Structures
Fundamentals
6 kyu
Counting Duplicates
226,047kgashok
Strings
Fundamentals
6 kyu
ATM money counter
655ost-k
Regular Expressions
Mathematics
Fundamentals
6 kyu
Write Number in Expanded Form
78,245Belax8
Strings
Mathematics
Algorithms
Fundamentals
6 kyu
Equal Sides Of An Array
124,431Shivo
Algorithms
Arrays
Fundamentals
6 kyu
Title Case
36,863user527539
Strings
Fundamentals
6 kyu
Find the unique number
142,369isqua
Fundamentals
Algorithms
Arrays
6 kyu
Highest Scoring Word
97,869PG1
Fundamentals
Strings
Arrays
6 kyu
Give me a Diamond
36,009jayeshcp
Strings
ASCII Art
Fundamentals
6 kyu
Consecutive strings
77,802g964
Fundamentals
6 kyu
Array.diff
278,889marcinbunsch
Arrays
Fundamentals
Algorithms
7 kyu
Maximum Length Difference
28,503g964
Fundamentals
7 kyu
Summing a number's digits
37,594mweiss
Fundamentals
8 kyu
String cleaning
24,916mkelty
Regular Expressions
Fundamentals
Strings
7 kyu
The Coupon Code
30,300yaphi1
Date Time
Strings
Fundamentals
6 kyu
Tortoise racing
31,604g964
Fundamentals
Mathematics
Algorithms
8 kyu
Convert to Binary
33,116JapaX
Mathematics
Algorithms
Fundamentals
7 kyu
Power of two
24,493yuriy.tsemashko
Mathematics
Algorithms
Fundamentals
6 kyu
The Vowel Code
19,638yaphi1
Arrays
Strings
Regular Expressions
Fundamentals
8 kyu
Power
11,436hokon86
Restricted
8 kyu
Basic subclasses - Adam and Eve
18,097hansrusten
Fundamentals
Object-oriented Programming
7 kyu
Filter the number
17,294matt c
Strings
Fundamentals
7 kyu
Switcheroo
17,138PG1
Fundamentals
Strings
8 kyu
Color Ghost
18,602ogryzek
Object-oriented Programming
Fundamentals
7 kyu
Alphabet war
17,947dcieslak
Fundamentals
Strings
7 kyu
Binary Addition
174,406garrettguy457
Binary
Fundamentals
6 kyu
If you can read this...
11,995henryhamon
Fundamentals
7 kyu
Evens and Odds
6,706ocirion
Fundamentals
Binary
8 kyu
Finish Guess the Number Game
9,443brunolm
Fundamentals
Object-oriented Programming
4 kyu
Human readable duration format
80,710davazp
Strings
Date Time
Algorithms
6 kyu
Simple Encryption #1 - Alternating Split
28,170user5036852
Cryptography
Algorithms
Strings
Arrays
Fundamentals