Cod sursa(job #356362)
| Utilizator |  Bratu Dalia daliutzza |
Data | 14 octombrie 2009 16:32:14 |
|---|---|---|---|
| Problema | Nunta | Scor | 60 |
| Compilator | cpp | Status | done |
| Runda | CNRV #2 | Marime | 0.26 kb |
#include<fstream.h>
int main()
{long long int a, b, n, c, k;
ifstream f("nunta.in");
ofstream g("nunta.out");
f>>n;
a=1;
b=2;
k=3;
if (n==1) g<<1;
else if (n==2) g<<2;
else
while (k<=n){c=a+b; a=b; b=c; k++;}
g<<c;
f.close();
g.close();
return 0;
}