数据结构车厢调度问题:
用栈的形式实现车厢调度,火车入口处的车厢序列编号为1到n -data structure train scheduling problem : stack trains in the form of scheduling, at the entrance to a train compartment of a serial number to n
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001011s ]
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:0.143315s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001266s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001375s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.003533s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003628s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.011934s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005187s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016131s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.004525s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 187013 [ RunTime:0.014831s ]
