Compilare: user.cpp:42:2: warning: no newline at end of file user.cpp:2: warning: ISO C++ forbids declaration of 'main' with no type user.cpp: In function 'int main()': user.cpp:4: warning: unused variable 'k' user.cpp:4: warning: unused variable 'l' user.cpp:4: warning: unused variable 'm' user.cpp:4: warning: unused variable 's' user.cpp:4: warning: 'fin' may be used uninitialized in this function user.cpp:4: warning: 'inc' may be used uninitialized in this function