Compilare: user.cpp: In function ‘void Cerinta()’: user.cpp:18:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] { f[s[i]]++; ct=0; ^ user.cpp:19:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f[s[i]]>fmax) fmax=f[s[i]]; ^ user.cpp:19:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f[s[i]]>fmax) fmax=f[s[i]]; ^ user.cpp:20:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f[s[i]]<fmin) fmin=f[s[i]]; ^ user.cpp:20:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f[s[i]]<fmin) fmin=f[s[i]]; ^ user.cpp:26:11: warning: ‘ct’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ct; ^