1002번: 터렛

python

T = int(input())
for _ in range(T):
    x1, y1, r1, x2, y2, r2 = [int(x) for x in input().split()]
    dist = ((x1 - x2) ** 2 + (y1 - y2) ** 2) ** 0.5
    sum_ = r1 + r2
    diff = ((r1 - r2) ** 2) ** 0.5
    if not dist and not diff:
        print(-1)
    elif dist in [sum_, diff]:
        print(1)
    elif diff < dist < sum_:
        print(2)
    else:
        print(0)