graphs/cpp/is_prime/is_prime.hxx


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#pragma once

#include "is_prime.hh"
constexpr bool is_prime(unsigned n)
{
    if (n == 0 || n == 1)
    {
        return false;
    }
    else
    {
        for (unsigned i = 2; i <= n / 2; ++i)
        {
            if (n % i == 0)
            {
                return false;
            }
        }
    }
    return true;
}