Warning: session_start(): open(/var/lib/php/sessions/sess_itna4h13n24km3rbu6esdjk9p2, O_RDWR) failed: No space left on device (28) in /var/www/tb-usercake/models/config.php on line 51

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
!7 p-exp { int correct = 0; for (int b : ll(-3, 3)) for (int a = -7; a <= 7; a++) { int x = a < 0 ? b - (-a) % b : a % b; int y = mod(a, b); if (x != y) printStructs(+a, +b, +x, +y); else ++correct; } print("Correct: " + correct); }