rendered paste body/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.4/include/g++-v3/bits/stl_iterator.h: In
constructor `__gnu_cxx::__normal_iterator<_Iterator,
_Container>::__normal_iterator(const __gnu_cxx::__normal_iterator<_Iter,
_Container>&) [with _Iter = const std::pair<node*, double>*, _Iterator =
std::pair<node*, double>*, _Container = std::vector<std::pair<node*,
double>, std::allocator<std::pair<node*, double> > >]':
sma.cpp:250: instantiated from here
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.4/include/g++-v3/bits/stl_iterator.h:598: error: invalid
conversion from `const std::pair<node*, double>* const' to `std::pair<node*,
double>*'