String manipulation

Encryption/Decryption of Enigma Machine

Create the longest sequence of 1s

Prefix code

7-segment scanner

Bulk Email Generator

TicTacToe

Organic Compounds 🔬

Rectangular block spinner

Unique Prefixes

Auto pickup

Frame the picture

Nicholas Breakspeare and Hugh of Evesham

Substitution Encoding

Caesar is the chief

Where's Wally

Tricky Number Verifier

The broken editor

Magic String

Card Counting when easily distracted

In Stereo

Insert to String

Match DNA Sequence

Messed up mosaics

Text alignment

Anagrams

Army ants

Reversed Look-and-say

Dynamic sorting

if then else

Rearrange string to two numbers

Valid brackets in code

Place the Parenthesis

Fishing With A Stick

Cooking passion

Source Code Analyser

Self Checkout Machine

3D printer

Frog Exchange

Breaking Apart