Cod sursa(job #200825)

Utilizator pitbullpitbulll pitbull Data 26 iulie 2008 21:08:00
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator c Status done
Runda Arhiva educationala Marime 0.43 kb
#include <stdio.h>

#define in_file "lgput.in"
#define out_file "lgput.out"
#define imp 1999999973

int main (){
	int N,P,i;
	long int aux,res=1;
	FILE *f=fopen(in_file,"rt");
	fscanf(f,"%d %d",&N,&P);
	fclose(f);
	aux=N;
	
	
	
	
	for (i = 0; i<32;i++){
		
		if(P & (1<<i)  )
			res=(res*aux)%imp;
		
		aux=(aux*aux)%imp;
	}
	
	
	FILE *g=fopen(out_file,"wt");
	fprintf(g,"%d",res);
	fclose(g);
	return 0;
}