Previous Challenges
You can find below the problems of previous challenges as well as solution examples of past participants. Please keep in mind that there are many different ways to find the correct answers and that the structure, points and type of the challenges may change in different rounds.

IYMC Round of 2018
Qualification Round 2018
  Download

Possible Solutions
  Download (S. Manandhar)
  Download (R. Flores)
  Download (Y. Zhang)

Pre-Final Round 2018
  Download

Possible Solutions
  Download (R. Flores)
  Download (N. Pohasii)
  Download (S. Manandhar)

Final Round 2018
  Download

Possible Solutions
  Download
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