Cod sursa(job #1586974)

Utilizator Mihai9Oniga Mihai Mihai9 Data 1 februarie 2016 19:15:37
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <cstdio>
#include <cstring>
const int m = 1999999973;
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    unsigned int i, n, p;
    scanf("%d %d", &n, &p);
    long long a=n, sol = 1;
    for (i = 0; (1<<i) <= p; ++ i)
    {
        if ( ((1<<i) & p) > 0)
            sol= (sol * a) % m;
            a=(a * a) % m;
    }
    printf("%lld\n", sol);
}