Cod sursa(job #2174968)

Utilizator ioanavasilescuIoana Vasilescu ioanavasilescu Data 16 martie 2018 14:32:43
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <iostream>
#include <fstream>

#define mod 1999999973

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

int lgput(int n,int p)
{
    long long fc=n;
    long long rez=1;
    while(p)
    {
        if(p%2)
            rez=(fc%mod*rez)%mod;
        p/=2;
        fc=((fc%mod)*(fc%mod))%mod;
    }
    return rez;
}

int main()
{
    long long n,p;
    fin>>n>>p;
    fout<<lgput(n,p);
    return 0;
}