Cod sursa(job #1158568)

Utilizator florin.ilieFlorin Ilie florin.ilie Data 28 martie 2014 21:47:57
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
#include <iostream>
#include <fstream>
using namespace std;
#define MOD 1999999973

long long n,p;
long long a=1;

int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    fin>>n>>p;
    for(int i=0;1<<i<=p;i++){
        if((1<<i & p)>0)
            a=(a*n)%MOD;
        n=(n*n)%MOD;
    }
    fout<<a<<'\n';
    return 0;
}