Cod sursa(job #3324321)

Utilizator StefanRaresStefan Rares StefanRares Data 22 noiembrie 2025 08:48:32
Problema Al k-lea termen Fibonacci Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.5 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream f("kfib.in");
ofstream g("kfib.out");

const int MOD = 666013,
          P = 1332028;

int Fibonacci(int n)
{
    if(n == 0) return 0;
    //
    int f0 = 0, f1 = 1, f2;
    for(int i = 2; i <= n; i++)
    {
        f2 = (f0 + f1) % MOD;
        f0 = f1;
        f1 = f2;
    }
    return f1;
}

int main()
{
    int k;
    f >> k;
    g << Fibonacci(k % P);
    f.close();
    g.close();
    return 0;
}