OII logo
  • Home
    • School selections
    • Regionals
    • Nationals & OIS
    • Tasks by technique
    • Tasks by contest
    • Tasks by year
  • Ranking
  • Algobadge
  • Forum
Log in / Sign up

Page 6

  • Stefan's New Year's resolutions
  • Excellent Numbers 2
  • Dog Trick Competition
  • Carry Bit
  • Swapping Brackets
  • Good Intervals
  • Tulip Bouquets
  • Swapping Digits
  • String Imbalance
  • Pac-Man
  • Increasing XOR
  • The Jeweller's Game
  • Farmula 1
  • Precise Average 2
  • Ping-pong
  • Long Chain
  • Binary Chess
  • Precise Average
  • Periodic Words
  • Excellent Numbers
  • No tasks found
Difficulty
45678
3456789