Compilare: user.cpp: In function ‘int main()’: user.cpp:60:50: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int’ [-Wformat=] scanf ("%d %d", &Points[i].x, Points[i].y); ^ user.cpp:55:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("cmap.in" ,"r", stdin ); ^ user.cpp:56:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("cmap.out","w", stdout); ^ user.cpp:58:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &nrPoints); ^ user.cpp:60:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d", &Points[i].x, Points[i].y); ^