Cod sursa(job #1456473)

Utilizator tony.hegyesAntonius Cezar Hegyes tony.hegyes Data 30 iunie 2015 22:12:28
Problema Algoritmul lui Euclid extins Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.74 kb
#include <fstream>
#include <iostream>
using namespace std;

void euclid_extended(int, int, int*, int*, int*);

int main(int argc, char **argv)
{
	ifstream indata("euclid3.in");
	ofstream outdata("euclid3.out");
	
	int t, a, b, c;
	indata >> t;
	
	int x, y, gcd;
	for (int i = 0; i < t; i++) {
		indata >> a >> b >> c;
		euclid_extended(a, b, &gcd, &x, &y);
		
		if (c % gcd != 0) {
			outdata << "0 0\n";
		} else {
			outdata << x * (c / gcd) << " " << y * (c / gcd) << "\n";
		}
	}	
	
	outdata.close();
	indata.close();
	return 0;
}

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