Please read the new rule regarding the restriction on the use of AI tools. ×

Newbie

NguyenBui-VN

Bui Nguyên, Yên Bái, Vietnam
Only public activity
117 problems
solved for all time
117 problems
solved for the last year
20 problems
solved for the last month
16 days
in a row max.
16 days
in a row for the last year
2 days
in a row for the last month