Cod sursa(job #375061)

Utilizator samuel91Asofronie Samuel samuel91 Data 19 decembrie 2009 12:25:28
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 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) 
            sol= (sol * a) % m;
            a=(a * a) % m; 
    }
    printf("%lld\n", sol); 
}