Cod sursa(job #406123)

Utilizator jupanubv92Popescu Marius jupanubv92 Data 1 martie 2010 10:55:51
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<stdio.h>
#define MOD 1999999973

long long p,n,sol,a;

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