插入元素到链表任意位置

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#include <stdio.h>
#include<stdlib.h>

struct Node {
    int data;
    struct Node* next;
};

struct Node* head;
void Print(){
    Node* temp = head;
    while(temp != NULL){
        printf("%d ",temp->data);
        temp = temp->next;
    }
    printf("\n");
}

void Insert(int data,int n){
    Node* temp1 = new Node();

    temp1->data = data;
    temp1->next = NULL;

    if (n==1){
        temp1->next = head;
        head = temp1;
        return;
    }

    Node* temp2 = head;
    for(int i=0;i<n-2;i++){
        temp2 = temp2->next;
    }

    temp1->next = temp2->next;
    temp2->next = temp1;
}


int main()
{
   head = NULL; //empty list
   Insert(2,1);
   Print();
   Insert(3,2);
   Print();
   Insert(4,1);
   Print();
   Insert(5,2);
   Print();

    return 0;
}