------
## 最终结论
```python
def maxCandies(status, candies, keys, containedBoxes, initialBoxes):
    from collections import deque

    total_candies = 0
    available_boxes = set(initialBoxes)
    queue = deque(initialBoxes)
    seen_boxes = set()

    while queue:
        current_box = queue.popleft()
        if status[current_box] == 1 or current_box in available_boxes:
            total_candies += candies[current_box]
            
            for key in keys[current_box]:
                status[key] = 1
                if key in available_boxes and key not in seen_boxes:
                    queue.append(key)

            for box in containedBoxes[current_box]:
                if box not in seen_boxes:
                    queue.append(box)
                    available_boxes.add(box)
            
            seen_boxes.add(current_box)

    return total_candies
```