Cod sursa(job #1639090)

Utilizator bububulmezBulmez Alexandru bububulmez Data 8 martie 2016 10:54:38
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.47 kb
#include <iostream>
#include <cstdio>
using namespace std;

#define Max 1999999973

unsigned long long int n,p;
unsigned long long int r=1;

void exp()
{
    if(n>Max)
        n%=Max;
    while(p)
    {
        if(p&1)
            r=(r*n)%Max;
        n=(n*n)%Max;
        p>>=1;
    }
}

int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    scanf("%llu%llu",&n,&p);
    exp();
    printf("%llu",r);

    return 0;
}