该小程序是用C编写的用于解线形方程组，算法才用的是消元法。学习之用。-the small procedure is used for the preparation of C Solutions linear equations, the algorithm will use the elimination method. Learning.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000987s ]
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:0.061375s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001029s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001138s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000973s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003061s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000815s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003679s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014743s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001174s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 130491 [ RunTime:0.017563s ]
