head -> num =0如何用python语言实现
时间: 2023-06-16 11:04:34 浏览: 42
假设你定义了一个叫做`head`的链表节点结构体,其中有一个叫做`num`的属性,表示节点存储的数字。在Python中,可以使用类来模拟结构体。
以下是将`head`节点的`num`属性设置为0的Python代码示例:
```python
class ListNode:
def __init__(self, num):
self.num = num
self.next = None
head = ListNode(0)
```
在这个示例中,我们先定义了一个`ListNode`类,其中`__init__`方法用于初始化节点的`num`属性和`next`属性。然后,我们创建了一个`head`节点,将其`num`属性设置为0。
需要注意的是,在Python中,链表节点的`next`属性通常用于指向下一个节点,因此我们在这里将其初始化为None。如果需要向链表中添加更多的节点,可以通过创建新节点并将其附加到链表中来实现。
相关问题
#include<iostream> #include<string> using namespace std; int x=1; struct node { int num; node *next;//定义结构体 }*head; int main() { int n,m; cin>>n>>m; head=new node(); node *s,*r,*p,*pre; int i; r=head; for(i=0;i<n;i++)//尾插法 { s=new node(); s->num=x; x++; r->next=s; r=s; } r->next =head->next;//使最后一个节点指向第一个节点 p=head; for(int j=0;j<n;j++) { for(int k=0;k<m-1;k++) { p=p->next ; }//p为要去小孩的前一个 cout<<p->next->num<<" "; p->next=p->next->next;去掉p后面的那个小孩 } // system("pause"); return 0; }转python
以下是将 C++ 代码转换为 Python 代码的一个可能实现:
```python
class Node:
def __init__(self):
self.num = 0
self.next = None
n, m = map(int, input().split())
x = 1
head = Node()
s = None
r = None
p = None
pre = None
i = 0
r = head
while i < n:
s = Node()
s.num = x
x += 1
r.next = s
r = s
i += 1
r.next = head.next
p = head
for j in range(n):
for k in range(m - 1):
p = p.next
print(p.next.num, end=" ")
p.next = p.next.next
```
请注意,这只是一种可能的实现方法,不一定是最优或最正确的。如果您有更好的实现,请随时分享!
monkeyking4() {int i,n,k; struct monkey(int num; struct monkey*next;] * head,* test,* last; print("How many monkey?"); input(n); print("Which monkey go away ?"); input (k); head = malloc(sizeof(struct monkey)); head -> num =0; last = head; for(i=1;i<n;i=i+1) {test =malloc(sizeof(struct monkey)); test ->num = i; last -> next = test; last = test; test -> next = head;} test = head; while(test->next <> test) { for(i=1;i<k;i=i+1) {last = test; test = test -> next;] last -> next = test -> next;free(test);test = last -> next; print("Monkey King is No.",test-> num);}转为python语言
def monkeyking4():
class Monkey:
def __init__(self, num, next_monkey):
self.num = num
self.next = next_monkey
n = int(input("How many monkey?"))
k = int(input("Which monkey go away ?"))
head = Monkey(0, None)
last = head
for i in range(1, n):
test = Monkey(i, None)
last.next = test
last = test
test.next = head
test = head
while test.next != test:
for i in range(1, k):
last = test
test = test.next
last.next = test.next
print(f"Monkey King is No.{test.num}")
del test
test = last.next