有n个人围成一圈，顺序编号。从第一个人开始报数(从1到3)，凡报到3的人退出圈子，问最后一个圈中的人的编号？-n personal cordons of serial numbers. Started from the first report (from 1-3), who reported three people from the circle, asking a final lap of the numbers?
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001365s ]
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:0.060687s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001180s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001406s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001083s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003381s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001980s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003889s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015924s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.020063s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 305594 [ RunTime:0.038443s ]
