#include <vector>

//From http://www.richelbilderbeek.nl/CppGetSum.htm
int GetSum(const std::vector<int>& v)
{
  const int sz = static_cast<int>(v.size());
  const int sum = 0;
  for (int i=0; i!=sz; ++i)
  {
    sum+=v[i];
  }
  return sum;
}