Cod sursa(job #2775194)

Utilizator BadHero112Ursu Vasile BadHero112 Data 14 septembrie 2021 20:58:03
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.47 kb
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pi 3.14159
#define modulo 100000007

int main(){
	int N,P;
	ifstream cin("lgput.in");
	ofstream cout("lgput.out");
	cin>>N>>P;
	int n=P; ll ans=1;
	vector<bool> Bin;
	while(n){
		Bin.push_back(n%2);
		n/=2;
	}
	for(int i=0;i<Bin.size();i++){
		if(Bin[Bin.size()-i-1]==1){
			ans=((ans*ans)%1999999973*N)%1999999973;
		}
		else{
			ans=(ans*ans)%1999999973;
		}
	}
	cout<<ans;
}