Dimitris Dranidis

QA Lead at BetAdvanced
Associate professor at Comp Science Dept at CITY College, University of York Europe Campus

[Dimitris Dranidis @dranidis]

I just completed all 12 days of Advent of Code 2025! https://t.co/G1avdMslxf #AdventOfCode

[Dimitris Dranidis @dranidis]

I just completed "Factory" - Day 10 - Advent of Code 2025 https://t.co/8XyR2yTrla #AdventOfCode
After struggling with the immense state space, I also turned to Linear Programming for a solution, and it was fast!

[Dimitris Dranidis @dranidis]

I just completed "Reactor" - Day 11 - Advent of Code 2025 https://t.co/X4LKJmtqLc #AdventOfCode

Recursion with memoization did the trick!

[Dimitris Dranidis @dranidis]

I just completed "Movie Theater" - Day 9 - Advent of Code 2025 https://t.co/04jsyM4Xyb #AdventOfCode

Part 2 solved with a program left running during the night for 4 hours... I guess there is a better solution.

[Dimitris Dranidis @dranidis]

I just completed "Playground" - Day 8 - Advent of Code 2025 https://t.co/e02P4pMSuB #AdventOfCode

Working with sets! Struggled a lot due to a silly bug with part 1. Part 2 finished quickly!!!

[Dimitris Dranidis @dranidis]

I just completed "Laboratories" - Day 7 - Advent of Code 2025 https://t.co/zSGiYZhEwb #AdventOfCode

The initial brute force solution for Part 2 worked fine with the example, but reached memory limits with real data. Using the right data structure solved the issue. As always!

[Dimitris Dranidis @dranidis]

I just completed "Trash Compactor" - Day 6 - Advent of Code 2025 https://t.co/oUcFBnpYfx #AdventOfCode

Nice problem. Messy solution. I need to clean up after a cup of coffee!

[Dimitris Dranidis @dranidis]

I've completed "Cafeteria" - Day 5 - Advent of Code 2025 https://t.co/kNeQy9Bls2 #AdventOfCode

Probably the hardest problem so far, dealing with merging ranges of numbers. I have to check other solutions to see if there is an alternative way to solve it.

[Dimitris Dranidis @dranidis]

I just completed "Printing Department" - Day 4 - Advent of Code 2025 https://t.co/C2YZZNyI5F #AdventOfCode
First problem with a grid. Still manageable! The big challenge still to come...

[Dimitris Dranidis @dranidis]

I just completed "Lobby" - Day 3 - Advent of Code 2025 https://t.co/spKcYpJnmF #AdventOfCode

Nice problem, still manageable. Now I need to write some test cases, clean and refactor the code.

[Dimitris Dranidis @dranidis]

I just completed "Gift Shop" - Day 2 - Advent of Code 2025 https://t.co/TnFUw2qDYc #AdventOfCode
Second day. Things are still quite manageable. Waiting for the big challenge!

[Dimitris Dranidis @dranidis]

Another Advent of Code started today! Have fun!

I just completed "Secret Entrance" - Day 1 - Advent of Code 2025 https://t.co/igKJn6WbvH #AdventOfCode

[Dimitris Dranidis @dranidis]

Let me share with you my talk at VOXXED DAYS Thessaloniki 2025.

https://t.co/IXvLcIfeZj

#voxxeddays #pact #consumerDrivenTesting

[Dimitris Dranidis @dranidis]

It felt great presenting at Voxxed Days Thessaloniki 2025 on Saturday 8 Nov. Looking forward to next year's conference.
Slides: https://t.co/viHEpM0wqA

#voxxeddays #pact

[Dimitris Dranidis @dranidis]

I just completed all 25 days of Advent of Code 2024! https://t.co/G1avdMslxf #AdventOfCode in Clojure!

Feels nice! Happy holidays!

#clojure

[Dimitris Dranidis @dranidis]

You know your code is messy when you hesitate to commit your changes in the repo.

[Dimitris Dranidis @dranidis]

I just completed "Crossed Wires" - Day 24 - Advent of Code 2024 https://t.co/9hBT5K1Y91 #AdventOfCode in Clojure!

Nice problem today! Reengineering the circuit was tedious but fun!

#clojure

[Dimitris Dranidis @dranidis]

@ch_mangelsdorf Bron and Kerbosch did the job!

[Dimitris Dranidis @dranidis]

I just completed "LAN Party" - Day 23 - Advent of Code 2024 https://t.co/KD0PqiBsFr #AdventOfCode in Clojure!

Graph algorithms for today! Another cup of coffee and back to refactoring the mesh!

#clojure

[Dimitris Dranidis @dranidis]

@ch_mangelsdorf Thanks to your solution (!!!) I managed to complete Day 21 today. I had, however, to add a third robot in your check. Then the execution took forever, until I added the filtering of multiple turns.