output_description: For each query, print "1" or "0".
input_description: The entire input looks like:
  
      
      
      q (the number of queries)
      1st query
      2nd query
      ...
      qth query
      
  
  Each query consists of integer coordinates of end points of s1 and s2 in the
  following format:
  
      
      
      xp0 yp0 xp1 yp1 xp2 yp2 xp3 yp3
attempt: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  input:
  3
  0 0 3 0 1 1 2 -1
  0 0 3 0 3 1 3 -1
  0 0 3 0 3 -2 5 0
  
  output:
  1
  1
  0
  """
  
  import sys
  
  EPS = 1e-9
  
  
  def cross(a, b):
      return a.real * b.imag - a.imag * b.real
  
  
  def dot(a, b):
      return a.real * b.real + a.imag * b.imag
  
  
  def check_ccw(p0, p1, p2):
      # flag = float('inf')
      a, b = p1 - p0, p2 - p0
      if cross(a, b) > EPS:
          # print('COUNTER_CLOCKWISE')
          flag = 1
      elif cross(a, b) < -1 * EPS:
          # print('CLOCKWISE')
          flag = -1
      elif dot(a, b) < -1 * EPS:
          # print('ONLINE_BACK')
          flag = 2
      elif abs(a) < abs(b):
          # print('ONLINE_FRONT')
          flag = -2
      else:
          # print('ON_SEGMENT')
          flag = 0
      return flag
  
  
  def check_intersection(_lines):
      for line in _lines:
          line = tuple(map(int, line))
          p0, p1, p2, p3 = (x + y * 1j for x, y in zip(line[::2], line[1::2]))
          flag = (check_ccw(p0, p1, p2) * check_ccw(p0, p1, p3) <= 0) and (
              check_ccw(p2, p3, p0) * check_ccw(p2, p3, p1) <= 0
          )
  
          if flag:
              print("1")
          else:
              print("0")
  
      return None
  
  
  if __name__ == "__main__":
      _input = sys.stdin.readlines()
      l_num = int(_input[0])
      lines = map(lambda x: x.split(), _input[1:])
  
      check_intersection(lines)
  
problem_description: Intersection
  
    
  
  For given two segments s1 and s2, print "1" if they are intersect, "0"
  otherwise.
  
  s1 is formed by end points p0 and p1, and s2 is formed by end points p2 and
  p3.
samples: [{"input": "3\n    0 0 3 0 1 1 2 -1\n    0 0 3 0 3 1 3 -1\n    0 0 3 0 3 -2 5 0", "output": "1\n    1\n    0"}]