Legendary Grandmaster

dqw

Lack of knowledge and forge ahead to look far mountains and move forward 知不足而奋进，望远山而前行, Xi'an, China
770 problems
solved for all time
709 problems
solved for the last year
10 problems
solved for the last month
37 days
in a row max.
37 days
in a row for the last year
3 days
in a row for the last month