CodeAbbey - programming problems

There is not one of you who cannot
win The Kingdom!

Login (register) with Username and Password

or else

Login with GitHub

Login with Google

Everyone can win Free Programming Certificate here
How this works, what is inside? Watch author's demo!

Latest problems
Arithmetic Progressions #495
Holiday Travel #494
Ternary Logic #493
Fastest Clearance #492
Lucky Number Scores #491
Circuit Board Connections #490
TV Charity Fundraiser #489

- we proudly collect logos of the Universities which actively use CodeAbbey

Login (register) with Username and Password

or else

Login with GitHub

Login with Google

Top Brethren and Sistren of the Week

(see best of all times)

User	Rank	Solved

Recent at Forums:

Arithmetic Progressions - A Proposed New Problem

from CSFPython, last Rodion (admin)

last at May 29 2026 09:21

Simple Game of Sticks (180) Validation

from Oleksi-i, last Rodion (admin)

last at May 29 2026 09:16

regarding advice

from neelsaxena42, last moxieman

last at May 26 2026 14:15

Basic Tokenizer Question on String Errors [Problem 281]

from SmoothInTheHead, last SmoothInTheHead

last at May 21 2026 21:08

Ternary Logic Task

from Rodion (admin), last CSFPython

last at May 12 2026 07:56