Cod sursa(job #1182410)

Utilizator petiVass Peter peti Data 6 mai 2014 12:41:13
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.37 kb
#include <fstream>
using namespace std;

int main(){
    ifstream ifs("lgput.in");
    ofstream ofs("lgput.out");
    int x,n;ifs>>x>>n; // x^n
    long long int a=1;
    while(n!=0){
        if(n%2){
            a*=x;
            x*=x;
            n>>=1;
        }
        else{
            x*=x;
            n>>=1;
        }
    }
    ofs<<a%1999999973;
}