Cod sursa(job #1365934)

Utilizator popescu.octavianPopescu Octavian popescu.octavian Data 28 februarie 2015 17:02:10
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.37 kb
#include <cstdio>

using namespace std;
int n, p, m=1999999973;
long long a, sol=1;
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    scanf("%d %d",&n,&p);
    a=n;
    for(int i=0;(1<<i)<=p;i++)
    {
        if(((1<<i)&p)>0)
            sol=(sol*a)%m;
        a=(a*a)%m;
    }
    printf("%d\n",sol);
    return 0;
}