Cod sursa(job #2701421)

Utilizator Atomique13Teodorescu Bogdan Atomique13 Data 31 ianuarie 2021 04:30:30
Problema Al k-lea termen Fibonacci Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.28 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <math.h>
#include <fstream>
using namespace std;
ifstream f("kfib.in");
ofstream g("kfib.out");
int main()
{
    double gr = (1 + sqrt(5))/2;
    unsigned long long n;
    f>>n;
    g << ((pow(gr, n) - pow(1 - gr, n))/sqrt(5));
    return 0;
}