Eroare de compilare: user.cpp: In function ‘void ColorTree(int)’: user.cpp:77:13: error: no match for ‘operator=’ (operand types are ‘std::_Rb_tree_const_iterator<int>’ and ‘int’) nowColor = NULL; ^ user.cpp:77:13: note: candidates are: In file included from /usr/include/c++/4.8/map:60:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:80, from user.cpp:1: /usr/include/c++/4.8/bits/stl_tree.h:228:12: note: std::_Rb_tree_const_iterator<int>& std::_Rb_tree_const_iterator<int>::operator=(const std::_Rb_tree_const_iterator<int>&) struct _Rb_tree_const_iterator ^ /usr/include/c++/4.8/bits/stl_tree.h:228:12: note: no known conversion for argument 1 from ‘int’ to ‘const std::_Rb_tree_const_iterator<int>&’ /usr/include/c++/4.8/bits/stl_tree.h:228:12: note: std::_Rb_tree_const_iterator<int>& std::_Rb_tree_const_iterator<int>::operator=(std::_Rb_tree_const_iterator<int>&&) /usr/include/c++/4.8/bits/stl_tree.h:228:12: note: no known conversion for argument 1 from ‘int’ to ‘std::_Rb_tree_const_iterator<int>&&’ user.cpp:80:16: error: no match for ‘operator!=’ (operand types are ‘std::_Rb_tree_const_iterator<int>’ and ‘int’) if (nowColor != NULL) ^ user.cpp:80:16: note: candidates are: In file included from /usr/include/c++/4.8/map:60:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:80, from user.cpp:1: /usr/include/c++/4.8/bits/stl_tree.h:302:7: note: bool std::_Rb_tree_const_iterator<_Tp>::operator!=(const _Self&) const [with _Tp = int; std::_Rb_tree_const_iterator<_Tp>::_Self = std::_Rb_tree_const_iterator<int>] operator!=(const _Self& __x) const ^ /usr/include/c++/4.8/bits/stl_tree.h:302:7: note: no known conversion for argument 1 from ‘int’ to ‘const _Self& {aka const std::_Rb_tree_const_iterator<int>&}’ In file included from /usr/include/c++/4.8/iosfwd:40:0, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/4.8/bits/postypes.h:221:5: note: template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^ /usr/include/c++/4.8/bits/postypes.h:221:5: note: template argument deduction/substitution failed: In file included from /usr/include/sched.h:30:0, from /usr/include/pthread.h:25, from /usr/include/i386-linux-gnu/c++/4.8/bits/gthr-default.h:35, from /usr/include/i386-linux-gnu/c++/4.8/bits/gthr.h:148, from /usr/include/c++/4.8/ext/atomicity.h:33, from /usr/include/c++/4.8/bits/ios_base.h:39, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from user.cpp:1: