Cod sursa(job #1104159)

Utilizator Alexa2001Alexa Tudose Alexa2001 Data 10 februarie 2014 15:25:09
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <cstdio>

using namespace std;
long long n,p;
long long functie(long long n,long long p,long long k)
{
   if(p%2==1) {--p;k=n*k%1999999973;}
   n=n*n%1999999973;
   if(p>0) return functie(n,p/2,k);
   else return k;
}


int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);

    scanf("%lld %lld",&n,&p);

    printf("%lld\n",functie(n,p,1));



    return 0;
}