Message Flood 时间限制(普通/Java): 2000MS/6000MS 运行内存限制:65536KByte 总提交:399 测试通过:105 题目描述 Well, how do you feel about mobile phone? Your answer would probably be something like that
1121 Damn Single (25 point(s)) "Damn Single (单身狗)" is the Chinese nickname for someone who is being single. You are supposed to find those who are alone in a big party, so they can be taken care of.
1121.查询结果的质量和占比 题目链接:1121.查询结果的质量和占比 解答 # Write your MySQL query statement belowselect query_name,round(avg(rating/position),2) as quality, round(100*avg(rating<3),2) as poor_query_percentage