Cod sursa(job #1442756)

Utilizator andreipnAndrei Petre andreipn Data 26 mai 2015 10:47:36
Problema Algoritmul lui Euclid extins Scor 100
Compilator c Status done
Runda Arhiva educationala Marime 0.68 kb
// http://www.infoarena.ro/problema/euclid3

#include <stdio.h>

void euclid3(int a, int b, int *d, int *x, int *y) {

	if (b == 0) {
		*d = a;
		*x = 1;
		*y = 0;
	} else {
		int x0, y0;
		euclid3(b, a % b, d, &x0, &y0);
		*x = y0;
		*y = x0 - (a / b) * y0;
	}
}

int main() {
	FILE *in = fopen("euclid3.in", "r"),
	     *out = fopen("euclid3.out", "w");
	int n, a, b, c, d, i;
	int x, y;

	fscanf(in, "%d\n", &n);
	for (i = 0; i < n; ++i) {
		fscanf(in, "%d %d %d\n", &a, &b, &c);
		euclid3(a, b, &d, &x, &y);
		printf("%d %d %d\n", d, x, y);
		int multiply;
		if (c % d == 0)
			multiply = c / d;
		else
			multiply = 0;
		fprintf(out, "%d %d\n", x * multiply, y * multiply);
	}
	return 0;
}