https://blog.youkuaiyun.com/zkeqingzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/zkeqing/article/details/100162734https://blog.youkuaiyun.com/zkeqing/article/details/100162734zkeqingFri, 30 Aug 2019 17:29:10 +0800https://blog.youkuaiyun.com/zkeqing/article/details/83419263https://blog.youkuaiyun.com/zkeqing/article/details/83419263zkeqingFri, 26 Oct 2018 18:48:51 +0800https://blog.youkuaiyun.com/zkeqing/article/details/78910485https://blog.youkuaiyun.com/zkeqing/article/details/78910485zkeqingWed, 27 Dec 2017 11:40:52 +0800https://blog.youkuaiyun.com/zkeqing/article/details/78552691https://blog.youkuaiyun.com/zkeqing/article/details/78552691zkeqingThu, 16 Nov 2017 16:40:24 +0800https://blog.youkuaiyun.com/zkeqing/article/details/77880736https://blog.youkuaiyun.com/zkeqing/article/details/77880736zkeqingThu, 07 Sep 2017 14:23:50 +0800https://blog.youkuaiyun.com/zkeqing/article/details/35284083https://blog.youkuaiyun.com/zkeqing/article/details/35284083zkeqingFri, 27 Jun 2014 17:20:20 +0800,=,<=），matches，算数操作（+,-,*,/ ,包含%，？，CASE）中，如果有一个操作数为空，那么结果为空。 COUNT_STAR ，不过滤null数据 CAST 操作：将一个null数据从一个数据类型转换到另一个数据类型，结果为空 AVG，MIN，MAX，SUM，COUNT ：这几个操作将忽略空值 CONCAT ：任意]]>https://blog.youkuaiyun.com/zkeqing/article/details/29828943https://blog.youkuaiyun.com/zkeqing/article/details/29828943zkeqingTue, 10 Jun 2014 15:36:46 +0800https://blog.youkuaiyun.com/zkeqing/article/details/9175511https://blog.youkuaiyun.com/zkeqing/article/details/9175511zkeqingWed, 26 Jun 2013 10:00:39 +0800https://blog.youkuaiyun.com/zkeqing/article/details/9143619https://blog.youkuaiyun.com/zkeqing/article/details/9143619zkeqingFri, 21 Jun 2013 11:21:37 +0800https://blog.youkuaiyun.com/zkeqing/article/details/9128647https://blog.youkuaiyun.com/zkeqing/article/details/9128647zkeqingWed, 19 Jun 2013 15:20:42 +0800https://blog.youkuaiyun.com/zkeqing/article/details/8616689https://blog.youkuaiyun.com/zkeqing/article/details/8616689zkeqingWed, 27 Feb 2013 11:06:35 +0800https://blog.youkuaiyun.com/zkeqing/article/details/8573815https://blog.youkuaiyun.com/zkeqing/article/details/8573815zkeqingWed, 06 Feb 2013 13:39:54 +0800https://blog.youkuaiyun.com/zkeqing/article/details/4654202https://blog.youkuaiyun.com/zkeqing/article/details/4654202zkeqingSun, 11 Oct 2009 16:58:00 +0800https://blog.youkuaiyun.com/zkeqing/article/details/4653876https://blog.youkuaiyun.com/zkeqing/article/details/4653876zkeqingSun, 11 Oct 2009 15:06:00 +0800y?x:yint main(){ long int t,max; int i,j,n; while(scanf("%d",&n)!=EOF) {  ]]>https://blog.youkuaiyun.com/zkeqing/article/details/4651791https://blog.youkuaiyun.com/zkeqing/article/details/4651791zkeqingSat, 10 Oct 2009 20:25:00 +0800https://blog.youkuaiyun.com/zkeqing/article/details/4646542https://blog.youkuaiyun.com/zkeqing/article/details/4646542zkeqingFri, 09 Oct 2009 16:52:00 +0800https://blog.youkuaiyun.com/zkeqing/article/details/4646096https://blog.youkuaiyun.com/zkeqing/article/details/4646096zkeqingFri, 09 Oct 2009 15:37:00 +0800https://blog.youkuaiyun.com/zkeqing/article/details/4644500https://blog.youkuaiyun.com/zkeqing/article/details/4644500zkeqingFri, 09 Oct 2009 09:41:00 +0800https://blog.youkuaiyun.com/zkeqing/article/details/4639699https://blog.youkuaiyun.com/zkeqing/article/details/4639699zkeqingWed, 07 Oct 2009 16:52:00 +0800https://blog.youkuaiyun.com/zkeqing/article/details/4639534https://blog.youkuaiyun.com/zkeqing/article/details/4639534zkeqingWed, 07 Oct 2009 16:04:00 +0800