C语言常用算法集合，包括底层编程，字符串处理，效验算法，逆阵、数学问题，问题算法-C language commonly used algorithm for the collection, including the underlying programming, string handling, well-tested algorithms, inverse matrix, a mathematical problem, the problem algorithm
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000860s ]
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:0.082633s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001004s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001113s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000998s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003013s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000888s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003680s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014307s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001072s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 213572 [ RunTime:0.014485s ]
