Compilare: user.cpp: In function ‘int main()’: user.cpp:19:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[ a[i] ] = 1; ^ user.cpp:23:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f[c] == 1) { ^ user.cpp:25:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[c] = p; ^ user.cpp:30:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f[ a[i] ] > maxim) { ^ user.cpp:31:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxim = f[ a[i] ]; ^ user.cpp:34:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( f[ a[i] ] == maxim ) ^ user.cpp:38:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] st = i - f[ a[i] ]; ^ user.cpp:41:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] dr = i + f[ a[i] ]; ^