#include <iostream>

#include <sdsl/bit_vectors.hpp>

using namespace std;
using namespace sdsl;

int main()
{
    bit_vector b = bit_vector(8000, 0);
    for (size_t i = 0; i < b.size(); i += 100) b[i] = 1;
    rank_support_v<1> b_rank(&b);
    for (size_t i = 0; i <= b.size(); i += b.size() / 4) cout << "(" << i << ", " << b_rank(i) << ") ";
    cout << endl;
}
