Compilare: user.cpp: In function ‘void read_data()’: user.cpp:14:29: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf ("%hd %hd", &m, &n); ^ user.cpp:14:29: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 3 has type ‘int*’ [-Wformat=] user.cpp:18:35: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf ("%hd", &a[i][j]); ^