用高斯消去法求方程组，程序中的数组是动态定义的，感觉代码写的比较好-using Gaussian elimination method for equations, the process is a dynamic array definition of the impression that the code was better
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001293s ]
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:0.091199s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001526s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001906s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001249s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003621s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001052s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003219s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014807s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001415s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 178925 [ RunTime:0.004984s ]
