primesieve  7.6
nth_prime.cpp

Find the nth prime.

#include <primesieve.hpp>
#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.
primesieve C++ API.