CEOI 2025 discussion

Revision en3, by dinohaur, 2025-07-14 16:00:57

Since CEOI 2025 is over and the tasks and test data have been published, can we discuss the solutions here?

Here are the tasks.

Upd: you can find the tasks here (for now)

Tags ceoi2025

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en8 English dinohaur 2026-07-01 11:00:14 359 Tiny change: 'exity $O((Q+N) log N)$.\n\n---' -> 'exity $O((q+n) log n)$.\n\n---'
en7 English dinohaur 2026-07-01 01:52:04 93
en6 English dinohaur 2026-07-01 01:48:20 81
en5 English dinohaur 2026-07-01 01:43:18 6695 Tiny change: 'P(x) + 1$.' -> 'P(x) + 1$.\n\n---\n\nThat's all folks! :)'
en4 English dinohaur 2025-08-12 15:03:47 70
en3 English dinohaur 2025-07-14 16:00:57 107
en2 English dinohaur 2025-07-12 13:54:49 65
en1 English dinohaur 2025-07-12 13:41:04 127 Initial revision (published)