Main.cpp: In function 'int main()':
Main.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | scanf("%d", &n);
| ~~~~~^~~~~~~~~~
Main.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
17 | scanf("%d", &a[i][0]);
| ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
25 | scanf("%d", &q);
| ~~~~~^~~~~~~~~~
Main.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
28 | scanf("%lld", &x);
| ~~~~~^~~~~~~~~~~~