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2013 TopCoder Open - Sponsorship Thanks - Chris Barbin
2013 TopCoder Open - Sponsorship Thanks - Chris Barbin

A big THANKS to all our TCO13 sponsors. Google Yelp TWO SIGMA memSQL Pocket Gems Facebook Yelp

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2013 TopCoder Open - Marathon - Tim Kirchner
2013 TopCoder Open - Marathon - Tim Kirchner

Tim Kirchner talks about the 12 hour Marathon match to solve a single problem at TCO13. Each solution is sc...