利用python实现归并排序,并且展示每次归并的数组
时间: 2023-07-17 13:10:40 浏览: 59
当然可以!这里是一个使用Python实现归并排序并展示每次归并的数组的示例代码:
```python
def merge_sort(arr):
if len(arr) <= 1:
return arr
mid = len(arr) // 2
left = arr[:mid]
right = arr[mid:]
left = merge_sort(left)
right = merge_sort(right)
return merge(left, right)
def merge(left, right):
result = []
i = j = 0
merged_arrays = [] # 存储每次归并的数组
while i < len(left) and j < len(right):
if left[i] < right[j]:
result.append(left[i])
i += 1
else:
result.append(right[j])
j += 1
while i < len(left):
result.append(left[i])
i += 1
while j < len(right):
result.append(right[j])
j += 1
merged_arrays.append(result) # 将每次归并的数组存入merged_arrays
return result, merged_arrays
# 测试示例
arr = [54, 26, 93, 17, 77, 31, 44, 55, 20]
sorted_arr, merged_arrays = merge_sort(arr)
print("原始数组:", arr)
print("排序过程:")
for i, merged_arr in enumerate(merged_arrays):
print(f"归并 {i+1}: {merged_arr}")
print("\n排序结果:", sorted_arr)
```
这段代码会输出归并排序的每次归并的数组,以及最终的排序结果。你可以将上述代码保存为一个Python文件,然后运行它来看到结果。希望对你有帮助!