Mainstream guy

Solve at least 50 problems as official contestant in C++

Double_O1, first achieved on March 30, 2016

KABD1, first achieved on Dec. 30, 2015

zeliboba1, first achieved on Aug. 29, 2011

memmed_hacili1, first achieved on Feb. 18, 2016

goyal.arpit.911, first achieved on Oct. 21, 2012

Snezhok1, first achieved on Nov. 15, 2015

gauravj1, first achieved on July 31, 2017

HDevillez1, first achieved on Sept. 17, 2016

mlc1, first achieved on April 11, 2013

iti221, first achieved on Jan. 12, 2015

deletelazy1, first achieved on April 11, 2013

nikdenev1, first achieved on Aug. 24, 2017

nishitiiith1, first achieved on Jan. 20, 2013

rohank1961961, first achieved on April 10, 2017

Tawn1, first achieved on Sept. 6, 2017

haxxpop1, first achieved on July 3, 2012

prmsngh1, first achieved on Nov. 15, 2016

fuch1, first achieved on May 12, 2013

NAbdulla1, first achieved on June 17, 2016

bubnov1, first achieved on Aug. 13, 2011