Cod sursa(job #642875)

Utilizator andreipnAndrei Petre andreipn Data 2 decembrie 2011 14:49:13
Problema Algoritmul lui Euclid extins Scor 50
Compilator c Status done
Runda Arhiva educationala Marime 0.62 kb
#include <stdio.h>

void euclid_extins(int a, int b, int *d, int *x, int *y) {
	if (b == 0) {
		*d = a;
		*x = 1;
		*y = 0;
		return;
	}

	int x0, y0;
	euclid_extins(b, a%b, d, &x0, &y0);
	*x = y0;
	*y = x0 - (a / b) * y0;
}

int main() {
	if ( !freopen("euclid3.in", "r", stdin) ) {
		fprintf(stderr, "euclid3.in nu exista\n");
		return 1;
	}
	freopen("euclid3.out", "w", stdout);
	int T, a, b, c, d, i, x, y;

	scanf("%d", &T);
	for (i = 0; i < T; ++i) {
		scanf("%d%d%d", &a, &b, &c);
		euclid_extins(a, b, &d, &x, &y);
		if (c % d != 0) {
			printf("0 0\n");
		} else {
			printf("%d %d\n", x*c/d, y*c/d);
		}
	}
	return 0;
}