Eroare de compilare in evaluator: user.cpp: In function 'void subm()': user.cpp:22: error: no match for 'operator!=' in 'A[S[j]].std::set<_Key, _Compare, _Alloc>::find [with _Key = int, _Compare = std::less<int>, _Alloc = std::allocator<int>](((const int&)((const int*)(& S[k])))) != 0' /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_tree.h:289: note: candidates are: bool std::_Rb_tree_const_iterator<_Tp>::operator!=(const std::_Rb_tree_const_iterator<_Tp>&) const [with _Tp = int]