Cod sursa(job #2370796)

Utilizator Groza_Iulia_DianaGroza Iulia Diana Groza_Iulia_Diana Data 6 martie 2019 13:46:28
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

long long n, p;
const int r=1999999973;

long long lgput(long long n, long long p)
{
    long long a=1;
    while(p>0)
    {
        if(p&1)
        {
            a=(a*n)%r;
            p--;
        }
        n=(n*n)%r;
        p>>=1;
    }
    return a;
}

int main()
{
    fin >> n >> p;
    fout << lgput(n, p);
    return 0;
}