Cod sursa(job #2185643)

Utilizator CarmenRo33Anghel Ionela Carmen CarmenRo33 Data 24 martie 2018 18:47:14
Problema Al k-lea termen Fibonacci Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("kfib.in");
ofstream fout("kfib.out");

int fib(int m)
{
    int f1,f2;
    f1=1; f2=1;
    for(int i=3;i<=m;i++)
    {
        f2=f1+f2;
        f1=f2-f1;
    }
    return f2;
}

int main()
{
    int k;
    fin>>k;
    fout<<fib(k);
    return 0;
}