Cod sursa(job #1652064)

Utilizator ManoManole Alexandru Mano Data 14 martie 2016 16:28:31
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.53 kb
#include<iostream.h>
#include<fstream.h>

ifstream f("lgput.in");
ofstream g("lgput.out");

const int x =1999999973;

int put(int n,int p)
{
    if(p==0)
        return 1;
    else if(p==1)
        return n;
        else {
            int aux;
            aux = put(n,p/2);
            aux = aux * aux;
            if(p % 2 == 0) return 1LL*aux%x;
            else return (1LL*(aux % x)*(n%x));
        }
}

int main()
{
    int n,p;
    f>>n>>p;
    put(n,p);
    g<<put(n,p);
    f.close();
    return 0;
}