利用十字链表的储存结构完成距阵的加,减,乘.数据结构实习题目,已完成选做内容.-use the storage structure to complete the matrix, plus or minus, riding. Internship topic data structure, so as to complete the election.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001324s ]
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:0.090259s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001291s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001933s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001258s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003656s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001092s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003269s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015660s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001460s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 307762 [ RunTime:0.001564s ]
