@marcodelmastro.bsky.social
Reposted
The European Strategy for Particle Physics reaches an important milestone
At its 225th session, the #CERN Council received the recommendations for the update of the European Strategy for Particle Physics.
Read more: home.cern/news/press-r...
At its 225th session, the #CERN Council received the recommendations for the update of the European Strategy for Particle Physics.
Read more: home.cern/news/press-r...
December 12, 2025 at 2:27 PM
The European Strategy for Particle Physics reaches an important milestone
At its 225th session, the #CERN Council received the recommendations for the update of the European Strategy for Particle Physics.
Read more: home.cern/news/press-r...
At its 225th session, the #CERN Council received the recommendations for the update of the European Strategy for Particle Physics.
Read more: home.cern/news/press-r...
I just completed all 12 days of Advent of Code 2025! #AdventOfCode adventofcode.com
December 12, 2025 at 10:45 AM
I just completed all 12 days of Advent of Code 2025! #AdventOfCode adventofcode.com
I've completed "Christmas Tree Farm" - Day 12 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/12
github.com/marcodelmast... Jigsaw/Tetris-like puzzle to solve. I implemented a backtracking solution that converge rather fast if a solution exists, but takes a lot of time ...
github.com/marcodelmast... Jigsaw/Tetris-like puzzle to solve. I implemented a backtracking solution that converge rather fast if a solution exists, but takes a lot of time ...
AdventOfCode2025/Day12.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 12, 2025 at 10:35 AM
I've completed "Christmas Tree Farm" - Day 12 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/12
github.com/marcodelmast... Jigsaw/Tetris-like puzzle to solve. I implemented a backtracking solution that converge rather fast if a solution exists, but takes a lot of time ...
github.com/marcodelmast... Jigsaw/Tetris-like puzzle to solve. I implemented a backtracking solution that converge rather fast if a solution exists, but takes a lot of time ...
I've completed "Reactor" - Day 11 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/11 github.com/marcodelmast... Using networkx to simplify all graph basic operations. I ended up implemented a path counting approach based on DP that speed up Part 1, and is compusory to approach Part 2!
AdventOfCode2025/Day11.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 11, 2025 at 11:14 AM
I've completed "Reactor" - Day 11 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/11 github.com/marcodelmast... Using networkx to simplify all graph basic operations. I ended up implemented a path counting approach based on DP that speed up Part 1, and is compusory to approach Part 2!
I just completed "Factory" - Day 10 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/10 github.com/marcodelmast... BFS and bitwise XOR operation for Part 1. I initially thought I could adapt my BFS solution for Part 2, but ...
AdventOfCode2025/Day10.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 10, 2025 at 10:20 AM
I just completed "Factory" - Day 10 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/10 github.com/marcodelmast... BFS and bitwise XOR operation for Part 1. I initially thought I could adapt my BFS solution for Part 2, but ...
I've completed "Movie Theater" - Day 9 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/9 github.com/marcodelmast... Hardest day so far. Part 1 was trivial, Part 2 required to handle various edge cases and a peculiar input! Used a combination of ray casting and edge crossing detection.
AdventOfCode2025/Day09.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 9, 2025 at 1:20 PM
I've completed "Movie Theater" - Day 9 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/9 github.com/marcodelmast... Hardest day so far. Part 1 was trivial, Part 2 required to handle various edge cases and a peculiar input! Used a combination of ray casting and edge crossing detection.
Reposted
It's a wrap! No more #LHC collisions this year - it's time for the "year end technical stop"
op-webtools.web.cern.ch/vistar/
op-webtools.web.cern.ch/vistar/
December 8, 2025 at 12:02 PM
It's a wrap! No more #LHC collisions this year - it's time for the "year end technical stop"
op-webtools.web.cern.ch/vistar/
op-webtools.web.cern.ch/vistar/
I've completed "Playground" - Day 8 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/8 github.com/marcodelmast... Things re-learned the hard way today: objects in dictionary and list are references; result of set operations are new set; `list.remove()` is pretty convenient ;-)
AdventOfCode2025/Day08.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 8, 2025 at 10:14 AM
I've completed "Playground" - Day 8 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/8 github.com/marcodelmast... Things re-learned the hard way today: objects in dictionary and list are references; result of set operations are new set; `list.remove()` is pretty convenient ;-)
I've completed "Laboratories" - Day 7 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/7 Used `set()` for part 1 to deal with overlapping beams, moved to `defaultdict(int)` in part 2 to count beams in same position (it's lanternfish day!).
github.com/marcodelmast...
github.com/marcodelmast...
AdventOfCode2025/Day07.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 7, 2025 at 7:23 AM
I've completed "Laboratories" - Day 7 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/7 Used `set()` for part 1 to deal with overlapping beams, moved to `defaultdict(int)` in part 2 to count beams in same position (it's lanternfish day!).
github.com/marcodelmast...
github.com/marcodelmast...
I've completed "Trash Compactor" - Day 6 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/6 github.com/marcodelmast... Part 2 was fun, using string to reconstitue values after rotation, catching str->int conversion to deal with empty lines.
AdventOfCode2025/Day06.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 6, 2025 at 9:24 AM
I've completed "Trash Compactor" - Day 6 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/6 github.com/marcodelmast... Part 2 was fun, using string to reconstitue values after rotation, catching str->int conversion to deal with empty lines.
I just completed "Cafeteria" - Day 5 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/5
Very similar to AOC 2016 Day 20, I almost entirely recycled that code to prune and merge the overlapping intervals. github.com/marcodelmast...
Very similar to AOC 2016 Day 20, I almost entirely recycled that code to prune and merge the overlapping intervals. github.com/marcodelmast...
AdventOfCode2025/Day05.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 5, 2025 at 7:20 AM
I just completed "Cafeteria" - Day 5 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/5
Very similar to AOC 2016 Day 20, I almost entirely recycled that code to prune and merge the overlapping intervals. github.com/marcodelmast...
Very similar to AOC 2016 Day 20, I almost entirely recycled that code to prune and merge the overlapping intervals. github.com/marcodelmast...
I've completed "Printing Department" - Day 4 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/4 github.com/marcodelmast... First map of 2025 (and first visualisation)! Solved with `numpy` array operations...
December 4, 2025 at 8:28 AM
I've completed "Printing Department" - Day 4 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/4 github.com/marcodelmast... First map of 2025 (and first visualisation)! Solved with `numpy` array operations...
(...) The ESG is working on them right now, during a meeting at Monte Verità, in Ascona, Switzerland. The recommendations will be delivered to the CERN Council which will then have to take concrete decisions for the coming years (...) we still have time, and we should try to be bold and visionary.
A couple of developments toward the future of FCC
Over the past few months, despite my sporadic presence on these pages, I’ve been reporting in bits and pieces on the work done for the update of the European Strategy for Particle Physics. I had, f…
www.borborigmi.org
December 3, 2025 at 8:22 AM
(...) The ESG is working on them right now, during a meeting at Monte Verità, in Ascona, Switzerland. The recommendations will be delivered to the CERN Council which will then have to take concrete decisions for the coming years (...) we still have time, and we should try to be bold and visionary.
I've completed "Lobby" - Day 3 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/3 github.com/marcodelmast...
AdventOfCode2025/Day03.ipynb at main · marcodelmastro/AdventOfCode2025
Advent Of Code 2025. Contribute to marcodelmastro/AdventOfCode2025 development by creating an account on GitHub.
github.com
December 3, 2025 at 8:13 AM
I've completed "Lobby" - Day 3 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/3 github.com/marcodelmast...
I've completed "Gift Shop" - Day 2 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/2 github.com/marcodelmast...
December 3, 2025 at 8:12 AM
I've completed "Gift Shop" - Day 2 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/2 github.com/marcodelmast...
I've completed "Secret Entrance" - Day 1 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/1 github.com/marcodelmast...
December 3, 2025 at 8:11 AM
I've completed "Secret Entrance" - Day 1 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/1 github.com/marcodelmast...
Sono seduto su un treno che va da Ginevra a Parigi, diretto a un simposio dove cercheremo di tirare le fila sulla posizione della comunità scientifica francese rispetto al prossimo aggiornamento della Strategia Europea per la Fisica delle Particelle (...)
La futura strategia per la fisica delle particelle in Europa, a Parigi
Sono seduto su un treno che va da Ginevra a Parigi, diretto a un simposio dove cercheremo di tirare le fila sulla posizione della comunità scientifica francese rispetto al prossimo aggiornamento de…
www.borborigmi.org
January 20, 2025 at 12:45 PM
Sono seduto su un treno che va da Ginevra a Parigi, diretto a un simposio dove cercheremo di tirare le fila sulla posizione della comunità scientifica francese rispetto al prossimo aggiornamento della Strategia Europea per la Fisica delle Particelle (...)
Perciò era nobilmente pigro
Un paio di lettori sono riusciti a decifrare la breve frase che avevo proposto alla vostra attenzione crittografica qualche giorno fa (...)
www.borborigmi.org/2025/01/19/p...
#borborigmi #primolevi #crittografia
Un paio di lettori sono riusciti a decifrare la breve frase che avevo proposto alla vostra attenzione crittografica qualche giorno fa (...)
www.borborigmi.org/2025/01/19/p...
#borborigmi #primolevi #crittografia
Perciò era nobilmente pigro
Un paio di lettori sono riusciti a decifrare la breve frase che avevo proposto alla vostra attenzione crittografica qualche giorno fa: Pdiho lrxpt ci rwdmxi, br ihsge dv hfabsexj wveq mhemqqir kts …
www.borborigmi.org
January 19, 2025 at 1:22 PM
Perciò era nobilmente pigro
Un paio di lettori sono riusciti a decifrare la breve frase che avevo proposto alla vostra attenzione crittografica qualche giorno fa (...)
www.borborigmi.org/2025/01/19/p...
#borborigmi #primolevi #crittografia
Un paio di lettori sono riusciti a decifrare la breve frase che avevo proposto alla vostra attenzione crittografica qualche giorno fa (...)
www.borborigmi.org/2025/01/19/p...
#borborigmi #primolevi #crittografia
Mentre stanno arrivando gli auguri di inizio 2025 per il biglietto di ATLAS di quest'anno, mi è venuta voglia di misurare quante persone avessero negli anni partecipato a questo appuntamento annuale che esiste dal 2010. (...) www.borborigmi.org/2025/01/06/c...
Circa 56
Mentre stanno arrivando gli auguri di inizio 2025 per il biglietto di ATLAS di quest’anno, mi è venuta voglia di misurare quante persone avessero negli anni partecipato a questo appuntamento …
www.borborigmi.org
January 6, 2025 at 9:34 AM
Mentre stanno arrivando gli auguri di inizio 2025 per il biglietto di ATLAS di quest'anno, mi è venuta voglia di misurare quante persone avessero negli anni partecipato a questo appuntamento annuale che esiste dal 2010. (...) www.borborigmi.org/2025/01/06/c...
I've completed "Code Chronicle" - Day 25 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/25 github.com/marcodelmast...
AdventOfCode2024/Day25.ipynb at main · marcodelmastro/AdventOfCode2024
Advent Of Code 2024. Contribute to marcodelmastro/AdventOfCode2024 development by creating an account on GitHub.
github.com
December 25, 2024 at 7:27 AM
I've completed "Code Chronicle" - Day 25 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/25 github.com/marcodelmast...
I just completed all 25 days of Advent of Code 2024! #AdventOfCode adventofcode.com
Advent of Code 2024
adventofcode.com
December 25, 2024 at 7:22 AM
I just completed all 25 days of Advent of Code 2024! #AdventOfCode adventofcode.com
I just completed "Crossed Wires" - Day 24 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/24 github.com/marcodelmast...
December 24, 2024 at 10:55 PM
I just completed "Crossed Wires" - Day 24 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/24 github.com/marcodelmast...
I just completed "LAN Party" - Day 23 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/23
github.com/marcodelmast...
(using a dictionary for Part 1, networkx FTW for Part 2!)
github.com/marcodelmast...
(using a dictionary for Part 1, networkx FTW for Part 2!)
December 23, 2024 at 3:12 PM
I just completed "LAN Party" - Day 23 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/23
github.com/marcodelmast...
(using a dictionary for Part 1, networkx FTW for Part 2!)
github.com/marcodelmast...
(using a dictionary for Part 1, networkx FTW for Part 2!)