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#pragma once
#include <bit>
#include <concepts>
#include <limits>
template <std::integral Int>
static inline constexpr int log_min_pow_of_two(Int n) {
using UInt = std::make_unsigned_t<Int>;
return std::numeric_limits<UInt>::digits -
std::countl_zero(static_cast<UInt>(n));
}
template <std::integral Int> static inline constexpr Int min_pow_of_two(Int n) {
return std::make_unsigned_t<Int>(1) << log_min_pow_of_two(n);
}
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