Welcome to the National Internet Math Olympiad!

Next contest: April 2015 Fun Round on Wed, Apr 1 12:00 AM PDT.

NIMO Contest #18 Winners

Congratulations to the winners of NIMO Contest #18:

  1. David Stoner, 47/56 (penalty 174.5)
  2. Alex Gu, 40/56 (penalty 117.5)
  3. Michael Kural, 39/56 (penalty 195.5)
Thanks to everyone for participating!

NIMO Contest #17 Winners

Congratulations to the winners of NIMO Contest #17:

  1. Michael Kural, 56/56 (penalty 247.9)
  2. Tomas Choi, 48/56 (penalty 209.8)
  3. Yuan Yao, 46/56 (penalty 151.5)
Thanks to everyone for participating!

NIMO Contest #16 Winners

Congratulations to the winners of NIMO Contest #16:

  1. Tiancheng Qin, 47/56 (penalty 186.5)
  2. Yang Liu, 46 (penalty 96.3)
  3. David Stoner, 46 (penalty 104.7)
Thanks to everyone for participating!

Fall OMO Contest has Started

Please click here to download a copy of the problems and view clarifications.


NIMO Contest #15 Winners

Congratulations to the winners of NIMO Contest #15:

  1. Richard Yi, 56/56 (penalty 119.1)
  2. Eric Xu, 46 (penalty 74.5)
  3. Jack Gurev, 46 (penalty 82.2)
Thanks to everyone for participating!
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