首次,最佳和最坏适应算法代码
时间: 2023-10-02 08:12:15 浏览: 52
最佳适应算法代码:
```python
def best_fit(blocks, processes):
memory = [-1] * len(blocks)
for process in processes:
best_fit_index = -1
for i in range(len(blocks)):
if blocks[i] >= process:
if best_fit_index == -1:
best_fit_index = i
elif blocks[i] < blocks[best_fit_index]:
best_fit_index = i
if best_fit_index != -1:
memory[best_fit_index] = process
blocks[best_fit_index] -= process
return memory
```
最坏适应算法代码:
```python
def worst_fit(blocks, processes):
memory = [-1] * len(blocks)
for process in processes:
worst_fit_index = -1
for i in range(len(blocks)):
if blocks[i] >= process:
if worst_fit_index == -1:
worst_fit_index = i
elif blocks[i] > blocks[worst_fit_index]:
worst_fit_index = i
if worst_fit_index != -1:
memory[worst_fit_index] = process
blocks[worst_fit_index] -= process
return memory
```
其中,`blocks` 是可用的内存块列表,`processes` 是需要分配的进程列表。`best_fit` 函数返回分配结果,`worst_fit` 函数返回分配结果。两个函数均采用了循环遍历的方式查找最佳或最坏适应的内存块,并将进程分配到可用的内存块中。