math

fgh.cpp

#include <iostream>

unsigned long fgh(unsigned long n, unsigned long iter) {
  if(!iter) {
    return n+1;
  } else {
    iter -= 1;
    unsigned long val = n;
    for(unsigned long i = 0; i < n;i++) {
      val = fgh(val,iter);
    }
    return val;
  }
}

int main() {
  std::cout << fgh(1,2) << std::endl;
  return 0;
}