Compilare: user.cpp: In function ‘void par()’: user.cpp:18:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[c]+=sw; ^ user.cpp:19:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c]=true; ^ user.cpp:27:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[c]-=sw; ^ user.cpp:28:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c]=true; ^ user.cpp: In function ‘void pars()’: user.cpp:43:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[c]+=sw; ^ user.cpp:44:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c]=true; ^ user.cpp:52:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[c]-=sw; ^ user.cpp:53:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c]=true; ^ user.cpp: In function ‘int main()’: user.cpp:69:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[c]+=sw; ^ user.cpp:70:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c]=true; ^ user.cpp:78:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[c]-=sw; ^ user.cpp:79:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[c]=true; ^