以下是带递归深度追踪的快速排序实现:
def quick_sort(arr, depth=1):
if len(arr) <= 1:
print(f"递归深度: {depth} - 基本情况")
return arr
pivot = arr[len(arr)//2]
left = [x for x in arr if x < pivot]
middle = [x for x in arr if x == pivot]
right = [x for x in arr if x > pivot]
print(f"递归深度: {depth} - 处理数组: {arr}, 基准值: {pivot}")
return quick_sort(left, depth+1) + middle + quick_sort(right, depth+1)
# 测试用例
if __name__ == "__main__":
data = [3, 6, 8, 10, 1, 2, 1]
print("原始数组:", data)
sorted_data = quick_sort(data)
print("排序结果:", sorted_data)
该实现使用列表推导式分割数组,通过depth参数记录递归深度。每次递归调用时depth+1,在基准情况和每次分割时打印当前深度。测试用例展示了递归过程的可视化跟踪。
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