Cod sursa(job #2282819)

Utilizator traiannntraian traiannn Data 14 noiembrie 2018 15:43:20
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.44 kb
#include <stdio.h>
#include <string.h>

const int n_max = 10001; // Definim numarul maxim de cifre al numerelor
const int m = 1999999973;

int main()
{
	unsigned int i, n, p;
	long long a, sol = 1;

	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	scanf("%d %d", &n, &p);
	a = n;
	for (i = 0; (1<<i) <= p; ++ i)
	{
		if ( ((1<<i) & p) > 0)
			sol= (sol * a) % m;

			a=(a * a) % m;
	}
	printf("%lld\n", sol);
}