Fatal error: Uncaught ValueError: min(): Argument #1 ($value) must contain at least one element in /var/www/html/ejudge/stand/ss/weeks_b25.php:157 Stack trace: #0 /var/www/html/ejudge/stand/ss/weeks_b25.php(157): min() #1 {main} thrown in /var/www/html/ejudge/stand/ss/weeks_b25.php on line 157