Profile of nhan0123456

nhan0123456

# solved problems14
# attempted problems14
Submissions링크
Solved problems
CEOI17_museumCEOI20_fancyfenceJOI17_bulldozerJOI16_skyscraperJOI16_joiris
NOI18_collectmushroomsNOI17_rmqNOI18_journeyNOI19_feastJOI14_factories
APIO17_merchantBOI19_valleyCEOI17_onewayIZhO18_plan