Cod sursa(job #2779648)

Utilizator casiannCasian casiann Data 4 octombrie 2021 16:11:37
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.38 kb
#include <bits/stdc++.h>
using namespace std;

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

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


int main(){
    fin >> n >> p;
    int a = n;
    long long  sol = 1;
    for (int i = 0; (1<<i) <= p; ++ i) 
	{
		if ( ((1<<i) & p) > 0)
			sol= (sol * a) % m;
	
			a=(a * a) % m;
	}
    fout << sol;
    return 0;
}