Lim Jeck has returned home safely this morning - this certainly beats all the accolades that he has won in the IMO :) After an exhausting 12.5-hr flight, he is now sleeping soundly. After all these euphoria at the IMO, the next few weeks he will have rough sledding playing catch-up with all the missed school lessons. :(
I think it is going to be a challenging task for Singapore to maintain her top positions (country rank 3rd and individual ranks 2nd, 4th and 6th) next year. Out of the 5 team members who should qualify for next year's IMO again, 2 are likely to move to other Science Olympiads. This year's questions are favourable to the team, next year's questions might not be.
Anyway, back to my main topic, the Question 6 which stumped many contestants except for the 6 (Lim Jeck being one of them) out of a total of 564 contestants, who could solve it completely.
The IMO 2011 questions.
Lim Jeck's solution for Question 6.
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