1.
#include<fstream>
using namespace std;
int n;
int main()
{
ifstream f("date.in");
ofstream g("date.out");
f>>n;
if (n==1) { g<<"0"; f.close();g.close();return 0;}
if (n==2) { g<<"0,1";f.close();g.close();return 0;}
int ultim=1,curent,penultim=0,k=2;
g<<endl<<"0";
g<<endl<<"1";
do {
      curent=ultim+penultim;
      penultim=ultim;
      ultim=curent;
      k++;
      g<<endl<<curent;
     } while (k<n);
return 0;}
2.
#include<fstream>
using namespace std;
int n;
int main()
{
ifstream f("date.in");
ofstream g("date.out");
f>>n;
if (n==0) { g<<"0"; f.close();g.close();return 0;}
if (n==1) { g<<"0";f.close();g.close();return 0;}
int ultim=1,curent,penultim=0;
do {
      curent=ultim+penultim;
      penultim=ultim;
      ultim=curent;
     } while (curent<=n);
if(curent==n)
    g<<"0";
else
    g<<"1";
return 0;}
3.
#include<fstream>
using namespace std;
int n;
int main()
{
ifstream f("date.in");
ofstream g("date.out");
f>>n;
if (n==1) { g<<"0"; f.close();g.close();return 0;}
float ultim=1,curent,penultim=0;
int k=1;
g<<"0";
do {
      curent=ultim+penultim;
      penultim=ultim;
      ultim=curent;
      k++;
      g<<endl<<penultim/curent;
     } while (k<n);
return 0;}