Eroare de compilare: user.cpp: In function ‘bool check(int, int, int)’: user.cpp:65: warning: ‘auto’ will change meaning in C++0x; please remove it user.cpp:65: error: ISO C++ forbids declaration of ‘it’ with no type user.cpp:65: error: cannot convert ‘std::_Rb_tree_const_iterator<int>’ to ‘int’ in initialization user.cpp:65: error: no match for ‘operator!=’ in ‘it != s.std::set<_Key, _Compare, _Alloc>::end [with _Key = int, _Compare = std::less<int>, _Alloc = std::allocator<int>]()’ user.cpp:66: error: invalid type argument of ‘unary *’ user.cpp:87: error: expected ‘(’ before ‘{’ token user.cpp:87: error: expected unqualified-id before numeric constant user.cpp:90: error: invalid type argument of ‘unary *’ user.cpp:93: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:115: warning: unused variable ‘ok’