单纯形法c++编程，以解决运筹学中线性规划问题，程序简单明了，对于初学者来说是一个很不错的选择-Simplex Method c programming, operations research to solve linear programming problems, procedures simple and clear, for a newcomer is a very bad choice
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001316s ]
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:0.088525s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001242s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001871s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001262s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003637s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001128s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003201s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014598s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001429s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 57795 [ RunTime:0.001311s ]
