Cod sursa(job #355931)
Utilizator | Data | 12 octombrie 2009 19:22:24 | |
---|---|---|---|
Problema | Nunta | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.25 kb |
#include<fstream.h>
int main()
{
long n,i,a,b,c;
ifstream f("nunta.in");
ofstream g("nunta.out");
f>>n;a=b=c=1;
for(i=1;i<n;i++)
{ c=a+b; a=b; b=c;}
if(n%2==0)g<<c;
else g<<c+a;
f.close();
g.close();
return 0;
}