AOJ:0023

gistfile1.java

import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);
		int n = scn.nextInt();
		for (int i = 0; i < n; i++) {
			double xa = scn.nextDouble();
			double ya = scn.nextDouble();
			double ra = scn.nextDouble();
			double xb = scn.nextDouble();
			double yb = scn.nextDouble();
			double rb = scn.nextDouble();
			double d = Math.sqrt((xb - xa) * (xb - xa) + (yb - ya) * (yb - ya));
			if (d > ra + rb) {
				System.out.println(0);
			} else {
				if (d + ra < rb) {
					System.out.println(-2);
				} else if (d + rb < ra) {
					System.out.println(2);
				} else {
					System.out.println(1);
				}
			}
		}
	}
}