#include <bitset>
#include <cstdint>
#include <vector>
#include <algorithm>
int main()
{
std::vector <uint8_t> buffer(100, 0);
std::bitset<37> b;
int i = 0;
std::for_each(buffer.begin() + 20, buffer.begin() + 57, [&](uint8_t val)
{ b[i] = val; ++i; });
}
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