Compilare: user.cpp:1:19: warning: extra tokens at end of #include directive [enabled by default] #include <fstream>> ^ user.cpp: In function ‘int main()’: user.cpp:28:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] crt=poz[pct]; ^ user.cpp:34:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (crt!= poz[pct] || C!= Cf || !ok) ^ user.cpp:52:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] crt=poz[pct]; ^