Compilare: user.cpp: In function 'int main()': user.cpp:8: warning: format '%c' expects type 'char*', but argument 2 has type 'int*' user.cpp:8: warning: format '%ld' expects type 'long int*', but argument 3 has type 'int*' user.cpp:14: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:18: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:23: warning: format '%ld' expects type 'long int', but argument 2 has type 'int'