contest_standing

contest_standing

http://www.w3school.com.cn/php/index.asp
这里的函数查询很好
array相关函数str相关函数很有用~
PHP5.1以上时区需要设置：

ini_set('date.timezone','Asia/Shanghai');

<? php
    
   include_once   " ../conn.php " ;
     $cid   =   $_GET [ ' cid ' ];
if  (db_contest_exist( $cid )) {
     ini_set ( ' date.timezone ' , ' Asia/Shanghai ' );
     $nowtime = time ();
     list ( $locktu , $sttimeu , $fitimeu , $t )  =  @ mysql_fetch_array ( mysql_query ( " SELECT unix_timestamp(lock_board_time),unix_timestamp(start_time),unix_timestamp(end_time),unix_timestamp(board_make) FROM contest WHERE cid = '$cid' " ));
     $scr   =   " contest_standing_ " . $cid . " .html " ;
     $pastsec = $nowtime - $t ;
     if  ( $pastsec < $srefresh &&! ( $nowtime > $locktu && $t < $locktu ) &&! ( $nowtime > $fitimeu && $t < $fitimeu )) // 60秒更新一次
  {
        Header ( " Location: contest_standing_ " . $cid . " .html " );
    }
else {
     $maketime = date ( " Y-m-d G:i:s " , $nowtime );
     $sql_update   =   " update contest set board_make='$maketime' where cid = '$cid' " ;
     $que_update   =   mysql_query ( $sql_update );


     ob_start ();  // 打开缓冲区
     include ( " cheader.php " );
     include ( " cmenu.php " );
    
     function  get_time ( $unix_time ) {
         $first   =   floor ( $unix_time / 3600 );
         $mid   =   floor ( ( $unix_time - $first * 3600 ) / 60  );
         $last   =   $unix_time % 60 ;
         return   $first . " : " . $mid . " : " . $last ;
    }

//     $cid = $_GET['cid'];
     $num_of_problem   =   0 ;  // 题目个数

     $sql   =   "  SELECT * FROM `contest_problem` WHERE `cid` =  " . $cid ;   // 创建label和题目的对应
     $res   =   mysql_query ( $sql ); // 执行mysql查询

     $map2   =   array ();
     while ( $row   =   mysql_fetch_array ( $res )){
         $map [ $row [pid]]  = $row [lable];
         $map2 [ $row [lable]]  =   $row [cpid];
         $num_of_problem ++ ;
    }
     // print_r($map);

     $sql   =   " SELECT * FROM `contest` WHERE `cid` = " . $cid ;
     $res   =   mysql_query ( $sql ); // 执行mysql查询
     $info_of_contest   =   mysql_fetch_array ( $res );
/*
 * 比赛信息
 * [0] =>[cid]
 * [1] =>[title]
 * [2] =>[description]
 * [3] =>[isprivate]
 * [4] =>[start_time]
 * [5] =>[end_time]
 * [6] =>[lock_board_time]
 * [7] =>[hide_others]
 * [8] => [board_make]
 * [9] =>[isvirtual]
 * [10] => [owner]
 * [11] => [report]
 *  */
       $basetime   =   strtotime ( $info_of_contest [ 4 ]);


     //  查询 并存入二维表 OK
    //    联合查询，带出名字
     $sql   =   "  SELECT status.pid,status.result,status.time_submit,status.username,user.nickname FROM status,user WHERE `status`.`contest_belong` = " . $cid . "  AND status.username=user.username "  ;
     $res   =   mysql_query ( $sql ); // 执行mysql查询

     $ary   =   array (); // 初始化二维表
     while ( $row   =   mysql_fetch_array ( $res ) ){
         $id   =   array_push ( $ary , $row );  // $id 为行数
    } // 将查询结果存入



    // 扫描一遍查询结果 生成名称序二维表
     $Name_ary   =   array ();  // 初始化名称序二维表

     for ( $i   =   0  ;  $i   <   $id  ;  $i ++ ){
         $k   =   0 ;
         $get   =   0 ;
         for ( $j   =   0  ;  $j   <   $iid  ;  $j ++ ){
             if (  in_array ( $ary [ $i ][username] , $Name_ary [ $j ] , true ) ){
                 $k   =   1 ;
                 $get   =   $j ;
                 break ;
            }
        }
         if ( $k   ==   1 ){
             // echo "Yes<br/>";
             if ( $ary [ $i ][result]  ==   " Accepted "  ){
                     if (  $Name_ary [ $get ][ $map [ $ary [ $i ][pid]]] !=- 1  ){
                         continue ;
                    }
                     else {
                         $Name_ary [ $get ][ $map [ $ary [ $i ][pid]]]  =   strtotime ( $ary [ $i ][time_submit]) - $basetime ;
                         $Name_ary [ $get ][ 5 ]  +=   strtotime ( $ary [ $i ][time_submit]) - $basetime ;
                    }
            }
             else {
                 if (  $Name_ary [ $get ][ $map [ $ary [ $i ][pid]]]  ==   - 1  ){
                     $Name_ary [ $get ][ $map [ $ary [ $i ][pid]] . _wci] -- ;
                }
            }
        }
         else {
             // echo "No<br/>";
             $iid   =   array_push ( $Name_ary , $ary [ $i ]);
             if ( $ary [ $i ][result]  ==   " Accepted "  ){
                     array_push ( $Name_ary [ $iid - 1 ] , strtotime ( $ary [ $i ][time_submit]) - $basetime );
                     foreach  ( $map   as   $value ){
                         $Name_ary [ $iid - 1 ][ $value ]  =   - 1 ;
                         $Name_ary [ $iid - 1 ][ $value . _wci]  =   0 ;
                    }
                     $Name_ary [ $iid - 1 ][ $map [ $ary [ $i ][pid]]]  =   strtotime ( $ary [ $i ][time_submit]) - $basetime ;
                     $Name_ary [ $iid - 1 ][ $map [ $ary [ $i ][pid]] . _wci]  =   0 ;
            }
             else {
                     array_push ( $Name_ary [ $iid - 1 ] , 0 );
                     foreach  ( $map   as   $value ){
                         $Name_ary [ $iid - 1 ][ $value ]  =   - 1 ;
                         $Name_ary [ $iid - 1 ][ $value . _wci]  =   0 ;
                    }
                     $Name_ary [ $iid - 1 ][ $map [ $ary [ $i ][pid]]]  =   - 1 ;
                     $Name_ary [ $iid - 1 ][ $map [ $ary [ $i ][pid]] . _wci]  =   - 1 ;
            }
        }
    }

//  扫描计算罚时与题数 然后排序
     for ( $i   =   0  ;  $i   <   $iid  ;  $i ++ ){
         $fs   =   0 ;
         $Name_ary [ $i ][sum]  =   0 ;
         foreach  ( $map   as   $value ){
             if (  $Name_ary [ $i ][ $value ] !=- 1  ){
                 $Name_ary [ $i ][sum] ++ ;
                 $fs   -=   20 * 60 * $Name_ary [ $i ][ $value . _wci];
            }
        }
         $Name_ary [ $i ][ 5 ]  +=   $fs ;
    }
     for ( $i   =   0  ;  $i   <   $iid  ;  $i ++  ){
         for ( $j   =   0  ;  $j   <   $iid  ;  $j ++  ){
             if ( $Name_ary [ $i ][sum]  >   $Name_ary [ $j ][sum] ){
                 $temp   =   array ();
                 $temp   =   $Name_ary [ $i ];
                 $Name_ary [ $i ]  =   $Name_ary [ $j ];
                 $Name_ary [ $j ]  =   $temp ;
            }
             else   if ( $Name_ary [ $i ][sum]  ==   $Name_ary [ $j ][sum]){
                 if ( $Name_ary [ $i ][ 5 ] < $Name_ary [ $j ][ 5 ]){
                     $temp   =   array ();
                     $temp   =   $Name_ary [ $i ];
                     $Name_ary [ $i ]  =   $Name_ary [ $j ];
                     $Name_ary [ $j ]  =   $temp ;
                }
            }
        }
    }


//  显示
     echo   " <table width='98%'> " ;
     echo   " <tr> " ;
     echo       // "<td>pid</td>" . //pid
              // "<td>result</td>" . //result
              // "<td>time_submit</td>".//time_submit
                " <th>Rank</th> " . // username
                " <th>Nickname</th> " . // nickname
                " <th>Accepts</th> " ; // nickname
               

     foreach  ( $map   as   $value )
    {
             echo   " <th><a href=../contest_problem_show.php?cpid= " . $map2 [ $value ] . " > " . $value . " </a></th> " ;
    }
     echo   " <th>Penalty</th> " ; // Penalty
     echo   " </tr> " ;
     for ( $i   =   0  ;  $i   <   $iid  ;  $i ++ ){
     //     print_r($Name_ary[$i]);

         $nick   =   strip_tags (change_out( $Name_ary [ $i ][ 4 ]));
         if ( $nick   ==   '' ) {
             $nick   =   " 你太懒了 " ;
        }
         else   if ( strlen ( $nick ) > 21  ){
             $nick   =   substr ( $nick , 0 , 21 ) . " " ;
        }
         echo   " <tr> " ;
           echo   // "<th>".$Name_ary[$i][0]."</th>" . //pid
              // "<th>".$Name_ary[$i][1]."</th>" . //result
              // "<th>".$Name_ary[$i][2]."</th>".//time_submit
                " <th> " . ( $i + 1 ) . " </th> " . // username
                " <th><a alt=' " . $Name_ary [ $i ][username] . " ' href=../userinfo.php?name= " . $Name_ary [ $i ][username] . " > " . $nick . " </a></th> " . // nickname
                " <th> " . $Name_ary [ $i ][sum] . " </th> " ; // ac_num
              

           foreach  ( $map   as   $value )
        {
             if ( $Name_ary [ $i ][ $value ]  !=   - 1   &&   array_key_exists ( $value , $Name_ary [ $i ]))
                 echo   " <th> " . get_time( $Name_ary [ $i ][ $value ]) . " ( " . $Name_ary [ $i ][ $value . _wci] . " )</th> " ;
             else   if ( $Name_ary [ $i ][ $value . _wci])
                 echo   " <th>( " . $Name_ary [ $i ][ $value . _wci] . " )</th> " ;
                 else {
                     echo   " <th></th> " ;
                }
        }
          echo   " <th> " . get_time( $Name_ary [ $i ][ 5 ]) . " </th> " ; // Penalty
         echo   " </tr> " ;
    }
     echo   " </table> " ;
     include ( " footer.php " );

     $content = ob_get_contents ();  // 得到缓冲区的内容
     if  ( ! function_exists ( " file_put_contents " ))
    {
         function   file_put_contents ( $fn , $fs )
        {
            $fp = fopen ( $fn , " w+ " );
            fputs ( $fp , $fs );
            fclose ( $fp );
        }
    }
     file_put_contents ( " contest_standing_ " . $cid . " .html " , $content );
}
    
    }
     else  {
         include ( " cheader.php " );
         include ( " cmenu.php " );
         echo   " <center><p class=warn>Invalid Contest!</p></center> " ;
         include ( " footer.php " );
    }
?>