@@ -0,0 +1,708 @@
+import unittest%0Afrom typing import List%0A%0Aimport utils%0A%0A%0A# Queue.%0Aclass Solution:%0A    def countStudents(self, students: List%5Bint%5D, sandwiches: List%5Bint%5D) -%3E int:%0A        while sandwiches:%0A            for _ in range(len(students)):%0A                if students%5B0%5D == sandwiches%5B0%5D:%0A                    students.pop(0)%0A                    sandwiches.pop(0)%0A                    break%0A                else:%0A                    front = students.pop(0)%0A                    students.append(front)%0A            else:%0A                return len(students)%0A%0A        return 0%0A%0A%0Aclass Test(unittest.TestCase):%0A    def test(self):%0A        utils.test(self, __file__, Solution)%0A%0A%0Aif __name__ == '__main__':%0A    unittest.main()%0A

1700. Number of Students Unable to Eat Lunch