Compilare: user.cpp: In function ‘int main()’: user.cpp:13:80: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d%d%d", &t, &m, &n, &v, &x_nord, &x_sud, &y_vest, &y_est); ^ user.cpp:16:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &arr[i][j]); ^