Compilare: user.cpp: In function ‘int main()’: user.cpp:26:37: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] scanf("%llf%llf", &v[i].x, &v[i].y); ^ user.cpp:26:37: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] user.cpp:69:65: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] for(int i = 0; i<= n; i++) printf("%llf %llf\n", v[i].x, v[i].y); ^ user.cpp:69:65: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] user.cpp:23:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:26:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llf%llf", &v[i].x, &v[i].y); ^