def test_00(self):
inp = [200, 400, 250, 150]
ans = count_happy_accidents(inp)
print('ans', ans)
expected = 4
self.assertEqual(ans, expected)
def test_05(self):
inp = [i for i in range(50001)] + [i for i in range(100000, 50000, -1)]
ans = count_happy_accidents(inp)
expected = 1249975000
self.assertEqual(ans, expected)
def test_03(self):
inp = [i for i in range(10000)]
ans = count_happy_accidents(inp)
expected = 0
self.assertEqual(ans, expected)
def test_04(self):
inp = [i for i in range(10000, 0, -1)]
ans = count_happy_accidents(inp)
expected = 49995000
self.assertEqual(ans, expected)
def test_02(self):
inp = [500, 450, 400, 350, 300, 250, 200, 150, 100, 50]
ans = count_happy_accidents(inp)
print('ans', ans)
expected = 45
self.assertEqual(ans, expected)