Compilare: user.cpp: In function ‘bool Valuare()’: user.cpp:59:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] c = x[*p],p++; ^ user.cpp: In function ‘int main()’: user.cpp:70:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0 ; i< s.size();i++) ^ user.cpp:93:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] x[k]=!x[k]; ^ user.cpp:93:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] x[k]=!x[k]; ^