Rain Jiang just got his 4th IOI Gold medal for the US, the most for any American ever! IOI is the hardest programming contest for high schoolers. Not only is he a Codeforces Grandmaster, he's homeschooled and publishes theoretical CS research with his dad on the side. Cracked.
Source:
28 Gold medalists. 1 Iranian 11 (40%) Eastern European 16 (57%) of East Asian origin
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