Compilare: user.cpp: In function ‘bool factor()’: user.cpp:101:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] return valOpus[* item];//caz in care e litera si trebuie inlocuita cu opusul ^ user.cpp:86:8: warning: variable ‘calcul’ set but not used [-Wunused-but-set-variable] bool calcul ; ^ user.cpp: In function ‘int main()’: user.cpp:112:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] valOpus[temp] = 1 - valOpus[temp]; ^ user.cpp:112:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] valOpus[temp] = 1 - valOpus[temp]; ^ user.cpp: In function ‘bool factor()’: user.cpp:103:1: warning: control reaches end of non-void function [-Wreturn-type] } ^