Cod sursa(job #2439425)

Utilizator eli_2003Maria-Elisabeta Mihai eli_2003 Data 15 iulie 2019 22:03:32
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.36 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int m=1999999973;
int main()
{
    int n, p, i;
    long long a, sol=1;
    f>>n>>p;
    a=n;
    for(i=0;(1<<i)<=p;i++)
    {
        if( ( (1<<i) &p) >0)
            sol=(sol*a)%m;
        a=(a*a)%m;
    }
    g<<sol;
    return 0;
}