二叉排序树
撰写一个程序，能够构建字符串型的二叉排序树并在二叉排序树中查找节点。-Binary sort tree to write a program that can build a string of binary sort tree and binary search tree node sort.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001119s ]
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:0.060713s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000991s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001498s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000865s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003163s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000997s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003759s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014206s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001192s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 152937 [ RunTime:0.060746s ]
