#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
 
int main()
{
    struct S {};
    S a[128];
    S* ap = a;
 
    std::vector<S*> v(sizeof(a)/sizeof(a[0]));
    std::generate_n(std::begin(v), v.size(), [&]() { return ap++; });
 
    for (size_t i = 0; i < v.size(); i++)
    {
        if (&a[i] != v[i]) // Ensure same address at each element.
        {
            std::cerr << "Error\n";
            break;
        }
    }
    return 0;
}
 

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