先输入矩阵的维数，再输入该矩阵，然后通过该算法从大到小输出该矩阵的各行各列和主辅对角线的和-First dimension of input matrix, and then enter the matrix, and then through the smallest of the algorithm output lines of the matrix columns and the main diagonal and Des
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002255s ]
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:0.097736s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001341s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001925s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001372s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003735s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001156s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003234s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015413s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001557s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 322195 [ RunTime:0.006334s ]
