计算一个数列的众数，即出现次数最多的那个数，要求尽量低的时空复杂度-calculate a series of the plural, that is the highest number that the number of requests time and space as low complexity
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most mergesort.class most.class most.java most.java.bak
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002239s ]
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:0.092555s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002464s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002063s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002359s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003939s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002073s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003511s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015214s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002483s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 128902 [ RunTime:0.001186s ]
