Cod sursa(job #2152604)

Utilizator andrei32576Andrei Florea andrei32576 Data 5 martie 2018 18:08:18
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include<fstream>
using namespace std;

long long n,p,sol,x,i;
int mod=1999999973;

ifstream f("lgput.in");
ofstream g("lgput.out");

int main()
{
    f>>n>>p;
    sol=1;
    x=n;

    for(i=0;(1<<i)<=p;i++)
    {
        if(((1<<i)&p) > 0)
            sol=(sol*x)%mod;

        x=(x*x)%mod;
    }

    g<<sol;

    f.close();
    g.close();
    return 0;
}