Profile of truongthaiduonglaptrinh

truongthaiduonglaptrinh

# solved problems9
# attempted problems9
Submissions링크
Solved problems
IZhO18_planBOI22_islandAPIO15_skyscraperCEOI18_toyAPIO14_sequence
IOI07_pairsJOI18_stoveJOI21_ho_t1CEOI17_sure