构造格雷码的分析程序，用于算法分析，用VC编写，可以构造n位的格雷码-Gray Construction Code Analysis Program for the analysis of algorithms, with VC preparation, can be constructed of n-Gray code
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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:0.130795s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001354s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.003940s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001234s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 118227 [ RunTime:0.104597s ]
