String manipulation

Encryption/Decryption of Enigma Machine

Create the longest sequence of 1s

Prefix code

7-segment scanner

Card Counting when easily distracted

TicTacToe

Bulk Email Generator

Organic Compounds 🔬

Create 'Turn Here' Signs

Unique Prefixes

Rectangular block spinner

Word Search for Programmers

Frame the picture

The broken editor

Auto pickup

You are the Father: Maury Povich Style

Caesar is the chief

Substitution Encoding

NATO-alphabet's odd uncles

Nicholas Breakspeare and Hugh of Evesham

Where's Wally

Insert to String

Tricky Number Verifier

Magic String

Make an Atari Font

Fix the networks

anagram to break the code !

Square Spiral for Alien Contact 👽

In Stereo

Messed up mosaics

Match DNA Sequence

Saving Snoopy

What 🌼 is 🌷 your 🌸 garden 💐 worth?

Interstellar

Furlongs per Fortnight

deus Hex machina

Tabloid Couple-Names 💕

ASCII Worms

Video Assistant Referee

key-value store

The alien business of cows

Grandma's Serial Keys

Text alignment

Anagrams

Army ants

Reversed Look-and-say

Dynamic sorting

Frequency-Based Decryption

Valid brackets in code

Rearrange string to two numbers

if then else

Fix the spaces

Place the Parenthesis

Cooking passion

Fishing With A Stick

Self Checkout Machine

Decimal numbers to floating numbers

Needle in a haystack

Source Code Analyser

3D printer

ASCII Snakes

Frog Exchange

The Prime Twins - Part Two

Chain Reaction

Fibonomials

Find the Shortest Path Home

Function notation

Breaking Apart

24: The Long Game

8086 Assembler, part I

Fold and cut

Simple Pascal (PL/0) Compiler