非常好,非常有名的求解线性规划和混合整型规划的源代码，用c语言编写，作者M. Berkelaar-very good, very well-known for linear programming and mixed-integer planning the source code, using the c language, the author M. Berkelaar
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001282s ]
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:0.088323s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001249s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001869s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001252s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003820s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001281s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003212s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015379s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001475s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 302692 [ RunTime:0.001261s ]
