Comment Comment by pykello It took them cumulative practice of at least 19 years to reach there.(One of them started practicing 10 years ago [1]. The two other are active at topcoder since 2010 [2] and 2011 [3]).[1] http://en.wikipedia.org/wiki/Gennady_Korotkevich[2] http://community.topcoder.com/tc?module=MemberProfile&cr=229...[3] http://community.topcoder.com/tc?module=MemberProfile&cr=230... parent pykello 11 years ago
(One of them started practicing 10 years ago [1]. The two other are active at topcoder since 2010 [2] and 2011 [3]).
[1] http://en.wikipedia.org/wiki/Gennady_Korotkevich
[2] http://community.topcoder.com/tc?module=MemberProfile&cr=229...
[3] http://community.topcoder.com/tc?module=MemberProfile&cr=230...