Cod sursa(job #1462761)

Utilizator tiby10Tibi P tiby10 Data 18 iulie 2015 21:52:07
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <bits/stdc++.h>
using namespace std;
int n,e;
#define P 1999999973
long long lgpow(int b, int e){
    int rez=1;
    for(int i=0; (1<<i)<=e; i++){
        if( e & (1<<i) )
            rez*=(1LL*b) % P;
        b*= (1LL*b) % P;
    }
    return rez;
}

int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    fin>>n>>e;
    fout<<lgpow(n,e);
    return 0;
}