Profile of nguyenletrung

nguyenletrung

# solved problems5
# attempted problems11
Submissions링크
Solved problems
CEOI20_fancyfenceCEOI16_kangarooIZhO18_treearrayCEOI17_palindromicJOI20_building4
Submitted but unsolved problems
IZhO18_planNOI18_snailIOI18_comboJOI18_dango_makerIOI09_regions
IZhO19_segments