Cod sursa(job #264546)
Utilizator | Data | 22 februarie 2009 12:00:01 | |
---|---|---|---|
Problema | Nunta | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.27 kb |
#include <iostream.h>
#include <fstream.h>
fstream f("nunta.in",ios::in);
fstream g("nunta.out",ios::out);
long double a,b,c,n,i;
int main ()
{
f>>n;
a=0;b=1;
for(i=2;i<=n+1;i++){ c=a+b;
a=b;
b=c;
}
g<<c;
f.close();
g.close();
return 0;
}