题目描述
Description
Since the cubic equation: ax ^ 3 + bx ^ 2 + cx + d = 0 is given, please check the number of positive real roots and the number of negative real roots, respectively.
The number of roots shall be counted including the multiple roots.
Input
The input consists of multiple test cases, and the number is recorded on the first line.
From the second line onward, the coefficients of the cubic equation are written in the form of a b c d. a is not 0, and each number is an integer value from -100 to 100.
Output
For a given cubic equation, output the number of positive real roots and the number of negative real roots separated by a space.
Example
Input
2
1 3 3 1
-10 0 0 0
Output
0 3
0 0
输入格式
见题面
输出格式
见题面
样例输入
2
1 3 3 1
-10 0 0 0
样例输出
0 3
0 0