Compilare: user.cpp: In function ‘void Rezolvare()’: user.cpp:18:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[s[0]]++;nr++; ^ user.cpp:25:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f[s[j]]==0) ^ user.cpp:27:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[s[j]]++; ^ user.cpp:30:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] else f[s[j]]++; ^ user.cpp:40:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[s[i]]--; ^ user.cpp:41:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (f[s[i]]==0) nr--; ^