Compilare: user.cpp:49:3: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:45: warning: format '%ld' expects type 'long int*', but argument 2 has type 'long int' user.cpp:45: warning: format '%ld' expects type 'long int*', but argument 3 has type 'long int' user.cpp:46: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:45: warning: 'v' is used uninitialized in this function user.cpp:45: warning: 'k' is used uninitialized in this function