实现棋盘覆盖功能，用Ｃ＋＋编程，实现在一个棋盘上输入相应特殊棋盘的位置，就可以完成整个棋盘的覆盖工作．-chessboard achieve functional coverage, and C++ programming, in a chessboard of the corresponding input to the special board position we can complete the whole chessboard of the coverage.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002281s ]
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:0.109779s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002983s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002655s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002330s ]
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:0.002112s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003267s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016289s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002550s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 92219 [ RunTime:0.001414s ]
