Compilare: user.cpp: In function 'int df(int)': user.cpp:29: warning: unused variable 'aux' user.cpp: In function 'int main()': user.cpp:44: warning: format '%ld' expects type 'long int*', but argument 2 has type 'int*' user.cpp:44: warning: format '%ld' expects type 'long int*', but argument 3 has type 'int*' user.cpp:47: warning: format '%ld' expects type 'long int*', but argument 2 has type 'int*' user.cpp:47: warning: format '%ld' expects type 'long int*', but argument 3 has type 'int*' user.cpp:73: warning: left-hand operand of comma has no effect user.cpp:85: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:89: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.cpp:93: warning: format '%ld' expects type 'long int', but argument 2 has type 'int'