Cod sursa(job #206008)
| Utilizator |  Irina Grosu Irnuk |
Data | 3 septembrie 2008 23:26:15 |
|---|---|---|---|
| Problema | Nunta | Scor | 40 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.33 kb |
/*nunta*/
#include<fstream.h>
int n,i;
ifstream fin("nunta.in");
ofstream fout("nunta.out");
int main()
{
unsigned long f1=0,f2=1,sv;
fin>>n;
if(n<4)
fout<<n<<'\n';
else
if(n<45)
{
for(i=2;i<=n+1;i++)
{
sv=f2;
f2=f1+f2;
f1=sv;
}
fout<<f2<<'\n';
}
fout.close();
return 0;
}