Cod sursa(job #947138)

Utilizator manutrutaEmanuel Truta manutruta Data 6 mai 2013 19:44:03
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <iostream>
#include <fstream>
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,x=1;
int p;

int pow(int n, int p){
    if(p==0)
        return n;
    if(p&1==1){
        p--;
        x=(x*n)%1999999973;
        return pow(n,p);
    }
    else{
        p/=2;
        n*=n;
        return pow(n,p);
    }
}

int main()
{
   f>>n>>p;
   g<<pow(n,p);
}