Cod sursa(job #1632455)

Utilizator alexandrutarcanTarcan Alexandru alexandrutarcan Data 6 martie 2016 10:08:01
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int a,n,p=1,m=1999999973;
int main()
{
    fin>>a>>n;
    while(n>0)
    {
        if(n%2==1)
            p*=a;
        a=((a%m)*(a%m))%m;
        n/=2;
    }
    fout<<p;
    return 0;
}