大二算法设计实验源码，内容包括线性时间选择，01背包，骑士巡游，最小生成树-Experimental Algorithm Design sophomore source, including choice of linear time, 01 backpacks, Cavalier Parade, minimum spanning tree
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001991s ]
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:0.088638s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002296s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001911s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002133s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005421s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001738s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003325s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015107s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002466s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 189999 [ RunTime:0.001094s ]
