Cod sursa(job #497623)

Utilizator Light532Light 532 Light532 Data 2 noiembrie 2010 22:34:27
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include "stdio.h"

unsigned int lgput(unsigned int x, unsigned int n){

	if(n==0){
		return 1;
	}	
	if(n%2){
		return x*(lgput(x,(n-1)/2))*(lgput(x,(n-1)/2))%1999999973;
	}
	else{
		return (lgput(x,n/2))*(lgput(x,n/2))%1999999973;
	}

}



int main(){
	unsigned int a,b;
	FILE *f,*g;
	f = fopen("lgput.in","r");
	g = fopen("lgput.out","w");

	fscanf(f,"%d %d",&a,&b);
	fprintf(g,"%d",lgput(a,b));
	
	
	
	return 0;
}