Compilare: user.cpp: In function 'int main()': user.cpp:9: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:34: warning: format '%ld' expects type 'long int', but argument 2 has type 'long double' user.cpp:7: warning: 'a' may be used uninitialized in this function user.cpp:7: warning: 'c' may be used uninitialized in this function user.cpp:7: warning: 'b' may be used uninitialized in this function