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# 1603. Design Parking System

<https://leetcode.com/problems/design-parking-system/description/>

## solution

```python
class ParkingSystem:
    def __init__(self, big: int, medium: int, small: int):
        self.count = [big, medium, small]

    def addCar(self, carType: int) -> bool:
        self.count[carType - 1] -= 1
        return self.count[carType - 1] >= 0
```

时间复杂度：O(1)\
空间复杂度：O(1)