题解 | #浙大不同难度题目的正确率#
浙大不同难度题目的正确率
https://www.nowcoder.com/practice/d8a4f7b1ded04948b5435a45f03ead8c
select difficult_level, avg(if(result = "right", 1, 0)) as correct_rate from user_profile a join question_practice_detail b on a.device_id = b.device_id join question_detail c on c.question_id = b.question_id where university = "浙江大学" group by difficult_level order by correct_rate
投递思朗科技等公司10个岗位
