65802_0_3776.cpp: In function `int main()':
65802_0_3776.cpp:21: error: no matching function for call to `accumulate(__gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >&, __gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >)'
|