Cod sursa(job #1880041)

Utilizator mateigabriel99Matei Gabriel mateigabriel99 Data 15 februarie 2017 13:10:37
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <bits/stdc++.h>

#define MOD 1999999973

using namespace std;

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

long long N,P;

long long power(long long N,long long P)
{
    int sol=1;
    for(int i=0;(1<<i)<=P;i++)
    {
        if(((1<<i)&P)>0)
            sol=(sol*N)%MOD;
        N=(N*N)%MOD;
    }
    return sol;
}

int main()
{
    fin>>N>>P;
    fout<<power(N,P);

    return 0;
}