Compilare: user.cpp: In function ‘int pow(int, int)’: user.cpp:8:11: warning: no return statement in function returning non-void [-Wreturn-type] p=p*n;} ^ user.cpp: In function ‘int main()’: user.cpp:16:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] f>>a[i]; ^ user.cpp:18:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(j=1;j<=a[i];j++) ^