题解 | #连续两次的易错点记录#
浙大不同难度题目的正确率
https://www.nowcoder.com/practice/d8a4f7b1ded04948b5435a45f03ead8c
易错点:此处的right 是文本,一定要加引号
正确率 sum(if(result = right,1,0))/count(result) as correct_rate
浙大不同难度题目的正确率
https://www.nowcoder.com/practice/d8a4f7b1ded04948b5435a45f03ead8c
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