八皇后问题，用vc编写了一个可以解决八皇后问题的程序，实现了递归调用。-The eight queens problem, using vc write a means of solving the eight queens problem program to achieve the recursive calls.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001366s ]
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:0.087534s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001011s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001130s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000968s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003185s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000967s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003753s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014727s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001204s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 173107 [ RunTime:0.023670s ]
