import java.util.Scanner;
public class Packsack{
Scanner sc=new Scanner(System.in);
int n;//物品个数
int m;//背包最大容量
int w[];//存储每个物品的重量
int v[];//存储每个物品的价值
int Max[][];//行表示前i个物品,列表示容量j,该值为将前i个物品装入容量为j的最大价值
public Packsack(){
System.out.println("please input the number of goods");
n=sc.nextInt
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001398s ]
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:0.089393s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001175s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002400s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001363s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003649s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001005s ]
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:0.015347s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001362s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 49411 [ RunTime:0.001408s ]