Rating changes for last rounds are temporarily rolled back. They will be returned soon. ×
Newbie

Naveen_Kumar101

Naveen Kumar, Dehra Dūn, India
128 problems
solved for all time
22 problems
solved for the last year
0 problems
solved for the last month
13 days
in a row max.
6 days
in a row for the last year
0 days
in a row for the last month