Cod sursa(job #3189031)

Utilizator mateitudorcioataCioata Matei Tudor mateitudorcioata Data 4 ianuarie 2024 13:31:58
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;

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

#define CONST 1999999973

int main() {
	int a, b, p=1;
	fin>>a>>b;
	
	while (b!=0) {
		if (b%2==1) p=(p*a)%CONST;
		a=((a%CONST)*(a%CONST))%CONST;
		b/=2;
	}
	
	fout<<p%CONST;
	
	fin.close();
	fout.close();
	
	return 0;
}