ACM题解，对大学生等很实用的，学习这个对于自己的提高的帮助那是很大很大很大地，怕丢，放上来-ACM problem solutions, university students, such as practical, learning this for their own help improve it is a great great great, the fear of losing,放上来
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001390s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.338048s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.014981s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.007872s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.015297s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.010900s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.006621s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006604s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.038505s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.012945s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 132745 [ RunTime:0.040847s ]
