Compilare: user.cpp: In function ‘void Cerinta1()’: user.cpp:40:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] v.push_back(make_pair(v[casuta].i+di[dir], v[casuta].j+dj[dir])); ^ user.cpp:40:70: warning: array subscript has type ‘char’ [-Wchar-subscripts] v.push_back(make_pair(v[casuta].i+di[dir], v[casuta].j+dj[dir])); ^ user.cpp:47:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; i<v.size(); ++i) ^ user.cpp:57:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (ind<v.size() && v[ind].i==i && v[ind].j==j){ ^