Cod sursa(job #1251377)

Utilizator rebound212Mihnea Savu rebound212 Data 29 octombrie 2014 13:22:46
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <cstdio>
#define MOD 1999999973
using namespace std;
long long a,b,p=1;
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    scanf("%lld %lld",&a,&b);
    while(b) (b%2) ? (b--,  p=(p*a)%MOD) : (a=(a*a)%MOD,  b/=2);
    printf("%lld",p);
    return 0;
}