Hello, Codeforces!
The 2026 ICPC Latin America Championship was held last weekend, and the full problem set is now available on Codeforces Gym for virtual participation and upsolving. Whether you want a team practice or a solo grind, you're invited to try it and discuss solutions here.
This contest brings together the top teams from the ICPC Latin America Regional Contests of the 2025–2026 season.
The championship was held in Chile on March 7, 2026, where qualified teams from across the region competed for the title and for advancement to the ICPC World Finals. You can check the official results here: https://scorelatam.naquadah.com.br/pda26/. There was also a mirror on the ICPC-LA CF Group (see The 2026 ICPC Latin America Championship).
Huge thanks to the championship jury who prepared and tested the tasks, and to all the volunteers and organizers who made the event possible. The problems were written and prepared by Alejandro Strejilevich de Loma, arthur.nascimento, brunomont, byakko, kobus, Humberto Díaz Suárez, Juan Pablo Marin Rosas, Ayalla, Malheiros, lsantire, cosenza, mnaeraxr, MarcosK, martins, Moro Silverio, Roberio, Sarai Ramirez Gomez, cabessa, VinnySJ and me. Also thanks to Agreb, crbonilha, Franco1010, IvanBorquez and VladaMG98 for testing the set and providing feedback on the problem statements.
An editorial with solution sketches is in the works; this post will be updated with the link as soon as it's ready.
Use the comments to share hints, approaches, and editorials (please mark spoilers).
Hope you enjoy the problems and have fun!
