EJERCICIO 6

#include <iostream>
#include <stdio.h>
using namespace std;
int n,n1,n2,cont;
int main()
{
 n1= 0;
 n2= 1;
 cout<<n1;
 cout<<n2;
 while(cont<=20)
 {
  n=n1+n2;
  cout<<n;
  n1=n2;
  n2=n;
  cont=cont+1;
 }
 return 0;
}

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