Codeforces Round 1133 (Div. 1, Div. 2) is coming soon! Register here. ×

Pupil

HaiLong2011

Long Đặng Hải, Hanoi, Vietnam
83 problems
solved for all time
83 problems
solved for the last year
26 problems
solved for the last month
3 days
in a row max.
3 days
in a row for the last year
1 day
in a row for the last month