// Copyright 2020 Andrew Hu
#include <stdio.h>
#include <stdlib.h>

void computeNumber(int iterations);

int main(int argc, char** argv) {
  if (argc != 2) {
    fprintf(stderr, "Must take exactly one argument\n");
    exit(EXIT_FAILURE);
  }
  int iters = atoi(argv[1]);
  computeNumber(iters);
  return 0;
}

void computeNumber(int iterations) {
  int val = 1;
  for (int i = 0; i < iterations; i++) {
    val *= val + 1;
  }
}