n件工作分给n各人完成，将第i个工作分配给第j个人完成需要费用cij，是设计一算法，为每个人分配不用的工作，费用最少-n to n pieces of work hours each to complete, will for the first i jobs j assigned to the first individual to complete required cost cij, is to design an algorithm, for each person assigned do not work, would cost at least
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001564s ]
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:0.119776s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000999s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001151s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001007s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003204s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000869s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004683s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025904s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001102s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 197149 [ RunTime:0.015414s ]
