Cod sursa(job #1162971)

Utilizator EhtRalpmetFMI Ardei Claudiu-Alexandru EhtRalpmet Data 1 aprilie 2014 08:51:58
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include<fstream>
#include<algorithm>

using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");

int n,p;

long long exp(int n,int p){
    if(n==0){
        return 1;
    }else{
        if(n==1){
            return p%1999999973;
        }else{
            if(n%2){
                return p*exp(n/2,p*p)%1999999973;
            }else{
                return exp(n/2,p*p)%1999999973;
            }
        }
    }
}

int main() {
    cin>>p>>n;
    cout<<exp(n,p);



    return 0;
}