Cod sursa(job #2157881)

Utilizator i.uniodCaramida Iustina-Andreea i.uniod Data 9 martie 2018 23:21:46
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n, p, sol=1;

int main()
{
    fin>>n>>p;
    for(long long i=0; (1<<i)<=p; ++i) {
        if(((1<<i)&p)>0)
            sol=(sol*n)%mod;
        n=(n*n)%mod;
    }
    fout<<sol<<'\n';
    return 0;
}