Cod sursa(job #700866)
Utilizator | Data | 1 martie 2012 12:20:30 | |
---|---|---|---|
Problema | Al k-lea termen Fibonacci | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.28 kb |
#include<fstream>
using namespace std;
ifstream f("kfib.in");
ofstream g("kfib.out");
long long k,f1,f2,f3,nr;
int main()
{
f>>k;
f1=0;
f2=1;
f3=2;
nr=1;
while(nr<k)
{
f3=f2+f1;
f1=f2;
f2=f3;
nr++;
}
g<<f3;
g.close();
f.close();
return 0;
}