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Add typing annotations to Python codes. (#411)

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This commit is contained in:
Yudong Jin
2023-03-12 18:49:52 +08:00
committed by GitHub
parent 2029d2b939
commit 9151eaf533
50 changed files with 577 additions and 817 deletions
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36
docs/chapter_computational_complexity/space_complexity.md
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@@ -66,8 +66,8 @@
int algorithm(int n) { // 输入数据
const int a = 0; // 暂存数据（常量）
int b = 0; // 暂存数据（变量）
Node* node = new Node(0); // 暂存数据（对象）
int c = func(); // 栈帧空间（调用函数）
Node* node = new Node(0); // 暂存数据（对象）
int c = func(); // 栈帧空间（调用函数）
return a + b + c; // 输出数据
}
```
@@ -77,20 +77,20 @@
```python title=""
""" 类 """
class Node:
def __init__(self, x):
self.val = x # 结点值
self.next = None # 指向下一结点的指针（引用）
def __init__(self, x: int):
self.val: int = x # 结点值
self.next: Optional[Node] = None # 指向下一结点的指针（引用）
""" 函数 """
def function():
def function() -> int:
# do something...
return 0
def algorithm(n): # 输入数据
b = 0 # 暂存数据（变量）
node = Node(0) # 暂存数据（对象）
c = function() # 栈帧空间（调用函数）
return a + b + c # 输出数据
def algorithm(n) -> int: # 输入数据
b: int = 0 # 暂存数据（变量）
node = Node(0) # 暂存数据（对象）
c: int = function() # 栈帧空间（调用函数）
return a + b + c # 输出数据
```
=== "Go"
@@ -280,11 +280,11 @@
=== "Python"
```python title=""
def algorithm(n):
a = 0 # O(1)
b = [0] * 10000 # O(1)
def algorithm(n: int) -> None:
a: int = 0 # O(1)
b: List[int] = [0] * 10000 # O(1)
if n > 10:
nums = [0] * n # O(n)
nums: List[int] = [0] * n # O(n)
```
=== "Go"
@@ -408,17 +408,17 @@
=== "Python"
```python title=""
def function():
def function() -> int:
# do something
return 0
""" 循环 O(1) """
def loop(n):
def loop(n: int) -> None:
for _ in range(n):
function()
""" 递归 O(n) """
def recur(n):
def recur(n: int) -> int:
if n == 1: return
return recur(n - 1)
```