Cod sursa(job #1970936)

Utilizator Vlad_lsc2008Lungu Vlad Vlad_lsc2008 Data 19 aprilie 2017 18:30:18
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <iostream>
#include <cstdio>
#define mod  1999999973
using namespace std;

long long  a,sol=1;

int main()
{
    int n,p,i;
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    cin>>n>>p;
    sol=1; a=n;
    for(i=1; i<=p ; i<<=1)
    {
        if( i&p ) sol= (sol*a)%mod;
        a=a*a%mod;
    }
    cout<<sol<<'\n';
    fclose(stdin);
    fclose(stdout);
    return 0;
}