Cod sursa(job #911299)

Utilizator Sm3USmeu Rares Sm3U Data 11 martie 2013 15:04:12
Problema Ridicare la putere in timp logaritmic Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <cstdio>

#define mod 1999999973

using namespace std;

int n;
int p;

long long lgput(int p){
    if(p == 1){
        return n;
    }
    long long r = lgput(p / 2);
    if(p % 2){
        return (r * r * n) % mod;
    }else{
        return (r * r) % mod;
    }
}

int main()
{
    freopen("lgput.in", "r", stdin);
    freopen("lgput.out", "w", stdout);

    scanf("%d %d", &n, &p);
    printf("%lld\n", lgput(p));

    return 0;
}