Cod sursa(job #2124810)

Utilizator FunnyStockyMihnea Andreescu FunnyStocky Data 7 februarie 2018 16:54:19
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <vector>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
const int mod=1999999973;
long long a,b,ans=1;
int main()
{
    cin>>a>>b;
    while(b>0)
    {
        if(b%2)
            ans=ans*a%mod;
        a=a*a%mod;
        b/=2;
    }
    cout<<ans;
    return 0;
}