0_0_26028875_20157.cpp: In function 'void dfs(int, int)':
0_0_26028875_20157.cpp:58:9: error: no match for 'operator=' (operand types are 'std::set<int>::reverse_iterator {aka std::reverse_iterator<std::_Rb_tree_const_iterator<int> >}' and 'std::set<int>::iterator {aka std::_Rb_tree_const_iterator<int>}')
for(it = s[fa].begin(); it1 != s[fa].end(); it1++)
^
0_0_26028875_20157.cpp:58:9: note: candidate is:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
from 0_0_26028875_20157.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:97:11: note: std::reverse_iterator<std::_Rb_tree_const_iterator<int> >& std::reverse_iterator<std::_Rb_tree_const_iterator<int> >::operator=(const std::reverse_iterator<std::_Rb_tree_const_iterator<int> >&)
class reverse_iterator
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:97:11: note: no known conversion for argument 1 from 'std::set<int>::iterator {aka std::_Rb_tree_const_iterator<int>}' to 'const std::reverse_iterator<std::_Rb_tree_const_iterator<int> >&'
0_0_26028875_20157.cpp:58:26: error: 'it1' was not declared in this scope
for(it = s[fa].begin(); it1 != s[fa].end(); it1++)
^
0_0_26028875_20157.cpp:60:21: error: could not convert 's[id].std::set<_Key, _Compare, _Alloc>::find<int, std::less<int>, std::allocator<int> >((* & it.std::reverse_iterator<_Iterator>::operator*<std::_Rb_tree_const_iterator<int> >()))' from 'std::set<int>::iterator {aka std::_Rb_tree_const_iterator<int>}' to 'bool'
if(s[id].find(*it))
^
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