Cod sursa(job #3348122)

Utilizator serban__georgeSerban George serban__george Data 19 martie 2026 19:46:04
Problema Al k-lea termen Fibonacci Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.47 kb
#include <fstream>

using namespace std;

const int MOD = 666013,
          P = 1332028;

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

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;
}