Compilare: user.cpp: In function ‘int main()’: user.cpp:10:9: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>S+1; ^ user.cpp:13:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fr[S[dr]]==0){ // vreau sa adaug costumul dr in secventa ^ user.cpp:20:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(fr[S[st]]>1){ ^ user.cpp:21:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] fr[S[st]]--; ^ user.cpp:24:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] fr[S[st]]=0; ^ user.cpp:31:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] fr[S[dr]]++; ^