Cod sursa(job #1291929)

Utilizator adi_ispas95FMI - Adrian Ispas adi_ispas95 Data 13 decembrie 2014 15:11:12
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.47 kb
#include <stdio.h>
#include <string.h>

const int n_max = 10001;
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;
}