C语言链表创建与显示示例代码

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

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

struct Node* createList(int n);
void displayList(struct Node* head);

int main() {
    int n;
    struct Node* head;

    printf("Enter the number of nodes: ");
    scanf("%d", &n);

    head = createList(n);

    printf("\nDisplaying the list:\n");
    displayList(head);

    return 0;
}

struct Node* createList(int n) {
    int i, data;
    struct Node *head, *newNode, *temp;

    head = NULL;

    if (n == 0) {
        return NULL;
    }

    printf("Enter the data of node 1: ");
    scanf("%d", &data);

    head = (struct Node*)malloc(sizeof(struct Node));
    head->data = data;
    head->next = NULL;

    temp = head;

    for (i = 2; i <= n; i++) {
        newNode = (struct Node*)malloc(sizeof(struct Node));

        printf("Enter the data of node %d: ", i);
        scanf("%d", &data);

        newNode->data = data;
        newNode->next = NULL;

        temp->next = newNode;
        temp = temp->next;
    }

    return head;
}

void displayList(struct Node* head) {
    struct Node* temp = head;
    int count = 0;

    while (temp != NULL) {
        printf("Data %d = %d\n", ++count, temp->data);
        temp = temp->next;
    }

    printf("Total number of nodes = %d\n", count);
}