Delete node at index in Linked List

deleteInLL.cpp

#include<bits/stdc++.h>
using namespace std;

class Node{
    public:
        int data;
        Node* next;
        Node(int data){
            this->data = data;
            this->next = NULL;
        }
};

void deleteInLL(Node **head, int index){
    Node *temp = *head;
    int currInd = 0;
    if(index<0) {
        cout<<"Invalid index";
        return;
    }
    while(temp!=NULL && currInd<index-1){
        temp = temp->next;
        currInd++;
    }
    if(temp==NULL) {
        cout<<"Invalid index"<<endl;
        return;
    }
    temp->next = temp->next->next;
}

void printLL(Node **head){
    Node *temp = *head;
    while(temp!=NULL){
        cout<<temp->data<<" ";
        temp = temp->next;
    }
    cout<<endl;
}

int main(){
    Node* head = new Node(5);
    deleteInLL(&head,5);
    printLL(&head);
}