Specialist

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C8dgiUAdOszvnmO3UhIj, Weihai, China
From HUST RC
1430 problems
solved for all time
1107 problems
solved for the last year
76 problems
solved for the last month
80 days
in a row max.
80 days
in a row for the last year
30 days
in a row for the last month