def main():
# Set level from DEBUG, INFO, WARNING. ERROR, CRITICAL
logging.basicConfig(level=logging.INFO)
vertices = [[-1, -1], [1, 0], [0, 1]]
expected = 1
print answer(vertices)
vertices = [[2, 3], [6, 9], [10, 160]]
expected = 289
print answer(vertices)
vertices = [[91207, 89566], [-88690, -83026], [67100, 47194]]
expected = 1730960165
print answer(vertices)
vertices = [[0, 0], [0, 1], [1, 0]]
expected = 0
print answer(vertices)
def main():
# Set level from DEBUG, INFO, WARNING. ERROR, CRITICAL
logging.basicConfig(level=logging.INFO)
vertices = [[-1, -1], [1, 0], [0, 1]]
expected = 1
print answer(vertices)
vertices = [[2, 3], [6, 9], [10, 160]]
expected = 289
print answer(vertices)
vertices = [[91207, 89566], [-88690, -83026], [67100, 47194]]
expected = 1730960165
print answer(vertices)
vertices = [[0, 0], [0, 1], [1, 0]]
expected = 0
print answer(vertices)
def testcase_001(self):
vertices = [[2, 3], [6, 9], [10, 160]]
expected = 289
self.assertEqual(answer(vertices), expected)
def testcase_008(self):
vertices = [[-5, -3], [5, -3], [0, 6]]
expected = 40
self.assertEqual(answer(vertices), expected)
def testcase_007(self):
vertices = [[-5, 4], [4, 6], [3, -3]]
expected = 39
self.assertEqual(answer(vertices), expected)
def testcase_006(self):
vertices = [[1, 1], [4, 10], [10, 6]]
expected = 31
self.assertEqual(answer(vertices), expected)
def testcase_005(self):
vertices = [[0, 0], [0, 10], [10, 0]]
expected = 36
self.assertEqual(answer(vertices), expected)
def testcase_004(self):
vertices = [[-1, -1], [1, 0], [0, 1]]
expected = 1
self.assertEqual(answer(vertices), expected)
def testcase_003(self):
vertices = [[0, 0], [0, 1], [1, 0]]
expected = 0
self.assertEqual(answer(vertices), expected)
def testcase_002(self):
vertices = [[91207, 89566], [-88690, -83026], [67100, 47194]]
expected = 1730960165
self.assertEqual(answer(vertices), expected)