n个节点的二叉树n+1

Problem statement:

问题陈述：

Given a Linked List, we have to delete N numbers of nodes after the M numbers of nodes.

给定一个链表，我们必须在M个节点之后删除N个节点。

Example:

例：

    Input: 1 → 2 → 3 → 4 → 5 → 6 → 7 → 8 → 9 → 10
N=2, M=3
Output: 1 → 2 → 3 → 6 → 7 → 8
Input: 1 → 2 → 3 → 4 → 5 → 6 → 7 → 8 → 9 → 10 → 11
N=3, M=3
Output: 1 → 2 → 3 → 7 → 8 → 9

Algorithm:

算法：

To solve that problem we simply use the Brute-Force method. We traverse the linked list from the head node and delete N nodes after traversing M nodes. If there are less than N nodes to delete then we simply delete that nodes and stop traversing.

为了解决该问题，我们仅使用Brute-Force方法 。 我们从头节点遍历链表，并在遍历M个节点后删除N个节点 。 如果要删除的节点少于N个，则我们只需删除该节点并停止遍历即可。

C++ implementation:

C ++实现：

#include <bits/stdc++.h>
using namespace std;
struct node {
int data;
node* next;
};
//Create a new node
struct node* create_node(int x)
{
struct node* temp = new node;
temp->data = x;
temp->next = NULL;
return temp;
}
//Enter the node into the linked list
void push(node** head, int x)
{
struct node* store = create_node(x);
if (*head == NULL) {
*head = store;
return;
}
struct node* temp = *head;
while (temp->next) {
temp = temp->next;
}
temp->next = store;
}
//Reverse the linked list
void delete_node(node* head, int m, int n)
{
struct node* temp = head;
int count = 1;
while (1) {
while (temp && count < m) {
temp = temp->next;
count++;
}
if (temp == NULL || temp->next == NULL) {
return;
}
count = 1;
struct node* store = temp;
temp = temp->next;
while (temp && count < n) {
temp = temp->next;
count++;
}
if (temp == NULL) {
return;
}
store->next = temp->next;
temp = temp->next;
}
}
//Print the list
void print(node* head)
{
struct node* temp = head;
while (temp) {
cout << temp->data << " ";
temp = temp->next;
}
}
int main()
{
struct node* l = NULL;
push(&l, 1);
push(&l, 2);
push(&l, 3);
push(&l, 4);
push(&l, 5);
push(&l, 6);
cout << "Before the delete operation" << endl;
print(l);
delete_node(l, 3, 2);
cout << "\nAfter the delete operation" << endl;
print(l);
return 0;
}

Output

输出量

Before the delete operation
1 2 3 4 5 6
After the delete operation
1 2 3 6

翻译自: https://www.includehelp.com/cpp-programs/delete-n-nodes-after-m-nodes-of-a-linked-list-using-cpp-program.aspx

n个节点的二叉树n+1