Compilare: user.cpp: In function 'void df(long int)': user.cpp:76: warning: unused variable 'j' user.cpp: In function 'int main()': user.cpp:107: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:110: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:118: warning: format '%d' expects type 'int', but argument 2 has type 'long int'