Cod sursa(job #2270629)
Utilizator | Data | 27 octombrie 2018 11:57:30 | |
---|---|---|---|
Problema | Al k-lea termen Fibonacci | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
int n,f1=0,f2=1,f3=0,cont=1,result;
ifstream in("kfib.in");
ofstream out("kfib.out");
in>>n;
in.close();
if(n==1)
{
result=f2;
}
else
{
while(cont<n)
{
f3=f1+f2;
f1=f2;
f2=f3;
cont=cont+1;
}
result=f3;
}
out<<result;
out.close();
return 0;
}