Profile of goodluck2020

goodluck2020

# solved problems8
# attempted problems9
Submissions링크
Solved problems
BOI13_ballmachineBOI13_tracksBOI13_brunhildaBOI14_friendsBOI14_portals
BOI15_netJOI21_financialCOCI21_logicari
Submitted but unsolved problems
BOI13_numbers