Compilare: user.cpp: In function ‘void procedura(long long int, long long int)’: user.cpp:20:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] taken[v[i]]=1; ^ user.cpp:25:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!viz[v[i]] && poz!=i) ^ user.cpp:27:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] p=p*fact(vf[v[i]]); ^ user.cpp:28:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[v[i]]=1; ^ user.cpp:32:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[v[i]]=0; ^ user.cpp: In function ‘int main()’: user.cpp:47:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] vf[v[i]]++; ^ user.cpp:58:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!taken[v[i]]) ^