Compilare: user.cpp: In function 'int main()': user.cpp:5: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:7: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:10: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:26: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.cpp:30: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.cpp:4: warning: 'w' may be used uninitialized in this function