Cod sursa(job #2256740)

Utilizator dorinm17Manea Dorin dorinm17 Data 9 octombrie 2018 02:05:08
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.36 kb
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
    int n, p, m=1999999973, rez=1, i;
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    f>>n>>p;
    for(i=0; (1<<i)<= p; i++)
    {
        if(((1<<i)&p)>0)
            rez=(rez*n)%m;
        n=(n*n)%m;
    }
    g<<rez;
    f.close();
    g.close();
    return 0;
}