Cod sursa(job #1342500)

Utilizator Adrian1997Radulescu Adrian Adrian1997 Data 14 februarie 2015 09:05:33
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,p;

long long up(long long a,long long b){
    if(b==0)
        return 1;
    long long q=up(a,b/2);
    q%=MOD;
    q=(q*q)%MOD;
    if(b%2==1) q=(q*a)%MOD;
    return q;
}

int main(void){

    f>>n>>p;
    g<<up(n,p);
    return 0;
}