皇后问题：在N*N的方格里放置皇后，要求不能放在同一行、同一列、同一对角线上。输入所有适合条件的情况。-Queen : N* N in the box, placed the empress, on the request can not be the same line, the same series on the same diagonal. The importation of all suitable conditions.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.020735s ]
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:0.270549s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.010185s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002313s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002407s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.007255s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001586s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.008313s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019963s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001445s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 125769 [ RunTime:0.026813s ]
