on June 3, 2019, 7:17 a.m.
on June 3, 2019, 10:18 a.m.
on June 3, 2019, 7:08 a.m.
on June 3, 2019, 10:14 a.m.
on June 3, 2019, 10:21 a.m.
on June 3, 2019, 8:30 a.m.
2.Cơ bản-Ngôn ngữ lập trình (1.667 points)
3.Cơ bản-Phương pháp tính (0.400 points)
4.Cơ bản-Thuật toán (2.300 points)
7.Nâng cao-Thử thách (0.320 points)
