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Generating Combinations

This week I’d like to share my favorite methods for generating combinations of elements. Combinations are O(2^n) so we generally only…

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Get to Know Topcoder CEO Mike Morris on Talking Cities Podcast

How did Topcoder get started? Why use gamification to build a crowdsourcing community? How do businesses use Topcoder to achieve faster…

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10 Years of Problem Writing: My Favorite Problems

This June I’m celebrating an anniversary – exactly 10 years since the fateful “Ok, HS SRM 34 is yours” email from…

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A 9-Year-Old Girl Invented a Wearable to Fight Childhood Obesity

Move over, Fitbit — there’s a new wearable in town. Last month, nine-year-old Andie Nugent won the 1st place Topcoder Disruptive…

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10 Useful Design Techniques to Master Visual Hierarchy

I have been registered on Topcoder since June 2011 and started competing in 2013. With no background in design, I just…

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Learning and Understanding Big-O Notation

We’ve all heard of Big(O). It’s something most of us learn in college and promptly forget. We also know it’s something…

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Selfie Day Contest – Win a Topcoder T-shirt!

Did you know that June 21st is Selfie Day! An entire day and holiday dedicated to the art of taking a…

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The Making of a TCO Development Champion – Sky_ is the Limit!

There are developers, there are good developers, and then there are champion developers who are experts at their craft in a…

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Loud About Crowdsourcing Episode #4: GE & Competitive Collaboration

There’s only one podcast discussing the tech world’s hottest topics: crowdsourcing, open innovation, and co-creation. “Loud About Crowdsourcing” is Topcoder’s podcast…

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How is Crowdsourcing More Secure Than Traditional Means of Software Development?

People make mistakes. We’re only human. But in business, human error can become a risk — whether nefarious or accidental. The…

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