Compilare: user.cpp: In function ‘bool term(std::__cxx11::string)’: user.cpp:59:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] rez=flit[v[p]]; ^ user.cpp: In function ‘int main()’: user.cpp:75:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<v1.size(); j++) ^ user.cpp:77:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[v1[j]]=1; ^ user.cpp:78:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<v2.size(); j++) ^ user.cpp:80:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] faux[v2[j]]=1; ^ user.cpp:94:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(f[ct]) ^ user.cpp:104:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(flit[lit[j]]) ^ user.cpp:105:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] flit[lit[j--]]=0; ^ user.cpp:106:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] flit[lit[j]]=1; ^