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0_0_11267252_8033.cpp: In function `void gao(int*, int*)':
0_0_11267252_8033.cpp:40: error: no match for 'operator-' in 'a[i] - (&g)->std::vector<_Tp, _Alloc>::begin [with _Tp = int, _Alloc = std::allocator<int>]()'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_bvector.h:180: note: candidates are: ptrdiff_t std::operator-(const std::_Bit_iterator_base&, const std::_Bit_iterator_base&)