haidv's submissions for 5.Còn lại 2

70 / 70
AC | C++11
haidv
on Jan. 2, 2020, 11:50 a.m.
0.05s
1.8 MB
70 / 70
AC | C++11
haidv
on Jan. 1, 2020, 8:48 a.m.
0.04s
1.8 MB