数据结构的快速排序、插入排序和选择排序程序设计算法实现的源代码，请大家多多指教。-rapid data structure, in order of ranking and selection inserted Sorting Algorithm design of the source code, please exhibitions.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002012s ]
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:0.107533s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001324s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002044s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001302s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004074s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001524s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004263s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.032892s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002693s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 67640 [ RunTime:0.002215s ]
