Cod sursa(job #3191795)

Utilizator sandu_stefanSandu Stefan sandu_stefan Data 10 ianuarie 2024 17:47:31
Problema Al k-lea termen Fibonacci Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.46 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;
}