Cod sursa(job #2979600)

Utilizator CosmincreatoMarasoiu Cosmin Cosmincreato Data 15 februarie 2023 16:56:04
Problema Al k-lea termen Fibonacci Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.51 kb
#include <fstream>

using namespace std;
const int MOD = 666013,
          P = 1332028; ///perioada lui MOD

ifstream fin("kfib.in");
ofstream fout("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;
    fin >> k;
    fout << Fibonacci(k % P);
    fin.close();
    fout.close();
    return 0;
}