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:0.001059s ]
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:0.062429s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000960s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001149s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003165s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000835s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001103s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 57795 [ RunTime:0.013064s ]
