Cod sursa(job #2699312)

Utilizator PredescuSebastianIonPredescu Sebastian Ion PredescuSebastianIon Data 24 ianuarie 2021 09:49:11
Problema Al k-lea termen Fibonacci Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.38 kb
#include <fstream>

using namespace std;
ifstream f("kfib.in");
ofstream g("kfib.out");
const int mod1=666013,mod2=1332028;
int solve(int n)
{
    if(n==0)return 0;
    int f0=0,f1=1,f2;
    for(int i=2;i<=n;i++)
    {
        f2=(f0+f1)%mod1;
        f0=f1;
        f1=f2;
    }
    return f1;
}
int main()
{
    int k;
    f>>k;
    g<<solve(k%mod2);
    return 0;
}