1 problems

  • 1
ID Problem Show tags Hide tags AC / Tried Difficulty
1381 bzoj#P1831   [AHOI2008] 逆序对 10 / 26 6
  • 1

Categories

Lucky

Pick a problem randomly based on the current filter.

  1. Language
  2. Legacy mode
  3. Theme
  2. © 2021-2026 Hydro.ac
  4. Worker 1, 195ms
  5. Hydro v5.0.0-beta.17-40d4c9b-dirty Professional