Cod sursa(job #3358122)

Utilizator Lupu_Mirabela_DianaLupu Mirabela Diana Lupu_Mirabela_Diana Data 14 iunie 2026 20:24:46
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator c-64 Status done
Runda Arhiva educationala Marime 0.68 kb
#include <stdio.h>
#include <string.h>

const int m = 1999999973;

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

    if((in=fopen("lgput.in", "r"))==0){
        printf("eroare la deschiderea fisierului de citire!");
        return 0;
    }
    if((out=fopen("lgput.out", "w"))==0){
        printf("eroare la deschiderea fisierului de afisare!");
        fclose(in);
        return 0;
    }
	fscanf("%d %d", &n, &p, in);
	a = n;
	for (i = 0; (1<<i) <= p; ++ i) 
	{
		if ( ((1<<i) & p) > 0)
			sol= (sol * a) % m;
	
			a=(a * a) % m;
	}
	fprintf("%lld\n", sol, out);
    
    fclose(in);
    fclose(out);
    
    return 0;
}