Cod sursa(job #1513263)

Utilizator mihaigheorgheMihai Gheorghe mihaigheorghe Data 29 octombrie 2015 10:47:11
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main(){
long long n,p,r,a;
r=1;
in>>n>>p;
while(p!=1){
    if(p%2==0){
        n=(n*n)%1999999973;
        p=p>>1;
    }
    else{
        p--;
        r=(r*n)%1999999973;
    }
}
n=n*r;
a=n%1999999973;
out<<a<<'\n';
return 0;
}