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Design a function to implement PUSH function using linked list

isuro answered on November 20, 2023 Popularity 1/10 Helpfulness 3/10

answer Design a function to implement PUSH function using linked list

Design a function to implement PUSH function using linked list

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

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

// Function to push a new element onto the stack (add to the beginning of the linked list)
void push(struct Node** head, int newData) {
    // Create a new node
    struct Node* newNode = (struct Node*)malloc(sizeof(struct Node));
    if (newNode == NULL) {
        fprintf(stderr, "Memory allocation failed.\n");
        exit(EXIT_FAILURE);
    }

    // Set the data and next pointer of the new node
    newNode->data = newData;
    newNode->next = *head;

    // Update the head to point to the new node
    *head = newNode;
}

// Function to print the elements of the linked list
void printList(struct Node* head) {
    while (head != NULL) {
        printf("%d ", head->data);
        head = head->next;
    }
    printf("\n");
}

// Function to free the memory allocated for the linked list
void freeList(struct Node* head) {
    struct Node* temp;
    while (head != NULL) {
        temp = head;
        head = head->next;
        free(temp);
    }
}

// Example usage
int main() {
    // Create an empty linked list
    struct Node* head = NULL;

    // Push elements onto the stack
    push(&head, 3);
    push(&head, 7);
    push(&head, 1);
    push(&head, 4);

    // Print the stack (linked list)
    printf("Stack: ");
    printList(head);

    // Free the memory allocated for the linked list
    freeList(head);

    return 0;
}

Popularity 1/10 Helpfulness 3/10 Language c

Source: chat.openai.com

Tags: c function linked-list push using

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Contributed on Nov 20 2023

isuro

0 Answers Avg Quality 2/10

Design a function to implement PUSH function using linked list

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