题解 | #刷题通过的题目排名#
刷题通过的题目排名
http://www.nowcoder.com/practice/cd2e10a588dc4c1db0407d0bf63394f3
select p1.id,p1.number,count(DISTINCT p2.number)t_rank
from passing_number p1
join passing_number p2
on p1.number<=p2.number
group by p1.id
order by t_rank asc,p1.id asc