Compilare: user.cpp: In function ‘int main()’: user.cpp:70:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); ++i) ^ user.cpp:73:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ind < v.size() && v[ind].val >= valMin) ^ user.cpp:87:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i == v.size() - 1 || v[i+1].val != v[i].val) ^