Cod sursa(job #1261086)

Utilizator papinubPapa Victor papinub Data 11 noiembrie 2014 22:15:52
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.48 kb
#include <cstdio>
#include <cstring>

const int n_max = 10001; // Definim numarul maxim de cifre al numerelor
const int m = 1999999973;

int main()
{
    unsigned int i, n, p;
    long long a, sol = 1;

    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    scanf("%d %d", &n, &p);
    a = n;
    for (i=0;(1<<i)<=p;i++)
    {
        if (((1<<i) & p)>0)
        sol=(sol*a)%m;
        a=(a*a)%m;
    }
    printf("%lld\n",sol);
    return 0;
}