Cod sursa(job #331186)

Utilizator Programmer01Mierla Laurentiu Marian Programmer01 Data 12 iulie 2009 23:14:32
Problema Algoritmul lui Euclid extins Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.59 kb
#include<stdio.h>

int x, y, a, b, c, d, t;

int gcd(int a, int b, int &x, int &y){
	if(b==0){
		x=1;
		y=0;
		return a;
	}
	int x0, y0, d;
	d = gcd(b, a%b, x0, y0);
	x = y0;
	y = x0 - a/b*y0;
	return d;
}

int main()
{
	FILE *ofile,*ifile;
	
	ifile = fopen("euclid3.in", "r");
	ofile = fopen("euclid3.out", "w");

	fscanf(ifile, "%i\n", &t);

	for(int i=0; i<t; i++){
		fscanf(ifile, "%i %i %i", &a, &b, &c);

		d = gcd(a, b, x, y);

		if(c%d) fprintf(ofile,"0 0\n");
		else fprintf(ofile,"%i %i\n", x*c/d, y*c/d);
	}
	
	fclose(ifile);	
	fclose(ofile);

	return 0;
}