Compilare: user.cpp:56:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:40: warning: format '%d' expects type 'int', but argument 2 has type 'long long int' user.cpp:41: warning: format '%d' expects type 'int', but argument 2 has type 'long long int' user.cpp: In function 'void DF(int)': user.cpp:50: warning: comparison between signed and unsigned integer expressions