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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
static bool isSortedList(L l) { for (int i = 0; i < l(l)-1; i++) if (cmp(l.get(i), l.get(i+1)) > 0) ret false; ret true; }