Cod sursa(job #1881578)

Utilizator RaduGiucleaGiuclea Radu RaduGiuclea Data 16 februarie 2017 16:38:31
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
Raporteaza aceasta sursa 
#include <cstdio>
#define MOD 1999999973
using namespace std;
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    long long n,p,i,x,pow;
    scanf("%lld%lld",&n,&p);
    x=1;
    pow=n;
    while(p)
    {
        if(p%2)
        {
            x*=pow;
            p--;
            x%=MOD;
        }
        p/=2;
        pow*=pow;
        pow%=MOD;
    }
    printf("%lld",x);
    return 0;
}