Compilare: user.cpp: In function ‘int main()’: user.cpp:22:19: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%hd",&n); ^ user.cpp:27:31: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%hd\n",&val); ^ user.cpp:19:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("alpin.in","r",stdin); ^ user.cpp:20:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("alpin.out","w",stdout); ^ user.cpp:22:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%hd",&n); ^ user.cpp:27:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%hd\n",&val); ^