diktat bab 5 (interatif dan rekursif)

#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int interatif (int x){
    int c,n,first = 0, second = 1, next;
    cout <<"Masukan Nilai =";cin>>n;cout<<endl;

    for (c=0;c < n ; c++ )
   {
      if (c<=1)
         next = c;
      else
      {
         next = first + second;
         first = second;
         second = next;
      }
         cout<<next<<endl;
   }
} int rekursif (int x){
    int n,next,first=0,second=1;
    cout <<"\nMasukan Nilai =";cin>>n;cout<<endl;

    for (x=0;x<n;x++){
    if (x<=1)
        next=x;
    else{
        next = first + second;
        first=second;
        second=next;
    }
    cout<<next<<endl;
}
}

int main(int argc, char** argv) {
   int x;
   cout<<"Interatif ="<<interatif(x);cout<<endl;
   cout<<"Recurtif  ="<<rekursif (x);cout<<endl;

  
    return 0;
}