Compilare: user.cpp: In function 'int main()': user.cpp:36: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:36: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:36: warning: format '%d' expects type 'int*', but argument 4 has type 'long int*' user.cpp: In function 'Int sw(Int&, Int&)': user.cpp:25: warning: control reaches end of non-void function user.cpp: In function 'double sw(double&, double&)': user.cpp:18: warning: control reaches end of non-void function