Answer Posted / Dinesh Singh
A linked list in C++ is a linear data structure consisting of nodes that store data and a pointer to the next node. Each node can be thought of as a separate memory location with its own variables, including a data member and a pointer to the next node. An example of a simple singly-linked list could look like this:
```cpp
struct Node {
int data;
Node* next;
};
void insert(Node** head_ref, int new_data) {
Node* new_node = new Node();
new_node->data = new_data;
new_node->next = (*head_ref);
(*head_ref) = new_node;
}
```
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