Cod sursa(job #2582678)

Utilizator T1raduTaerel Radu Nicolae T1radu Data 17 martie 2020 11:43:53
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.42 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int p(int b, int e)
{
    if(e==1) return b%1999999973;
    else
    {
        if(e%2==0) return p(b,e/2)*p(b,e/2)%1999999973;
        else return b*p(b,(e-1)/2)*p(b,(e-1)/2)%1999999973;
    }
}
int n,k;
int main()
{
    //cout << sizeof(v)*1.0/1024;
    fin >> n >> k;
    fout << p(n,k);
    return 0;
}