siftDown(arr, n, largest); // 递归下沉
Sadly the adoption of plastic meant that this system was phased out, but one soft drinks producer – family-owned Twig's Beverage – has stuck to it.
，更多细节参见51吃瓜
--features PATH Load pre-computed features from .npy file
strict (default): Rejects writes when the buffer is full and too many writes are pending. Catches "fire-and-forget" patterns where producers ignore backpressure.