汽车加油行驶问题 这个问题限制条件很多！我想了两天才想出一个动态规划程序！已经经过测试，是正确的！-vehicle refueling will issue the restrictions many! I would like to think of only two days a dynamic planning process! Have been tested, is correct!
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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:0.172103s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001118s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002096s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.006521s ]
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