C++实现离散数学中对称矩阵的判断。6行6列的矩阵,闲来无事,用VC++写一个小程序,判断是否是配对矩阵,很有意思哦!-C++ realization of discrete mathematics in the symmetric matrix judgments. 6 row 6 of the matrix, nothing better, using VC++ to write a small program to determine whether the matching matrix, very interesting oh!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001155s ]
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:0.078477s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001352s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002022s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001512s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003251s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000959s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004034s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017768s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001129s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 59637 [ RunTime:0.012952s ]