2020.3.13 [[NordicCollegiateProgrammingContest2016|Nordic Collegiate Programming Contest 2016]] ''prob:7/9/11'' ''rank:4/202''

2020.5.2 [[acmgooglecup2011invitationalprogrammingcontest|Acm Google Cup 2011 Invitational Programming Contest]] ''prob:4/6/10'' ''rank:11/69''

2020.5.9 [[ctuopencontest2016|CTU Open Contest 2016]] ''prob:5/6/10'' ''rank:5/89''

2020.5.23 [[nordiccollegiateprogrammingcontest2015|Nordic Collegiate Programming Contest 2015]] ''prob:7/7/10'' ''rank:1/29''

2020.6.26 [[germancollegiateprogrammingcontest2015|German Collegiate Programming Contest 2015]] ''prob:10/10/11'' ''rank:1/29''