Find the nth prime.
#include <stdint.h>
#include <iostream>
#include <cstdlib>
int main(int, char** argv)
{
uint64_t n = 1000;
if (argv[1])
n = std::atol(argv[1]);
std::cout << n <<
"th prime = " <<
nth_prime << std::endl;
return 0;
}
uint64_t nth_prime(int64_t n, uint64_t start=0)
Find the nth prime.