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C function to check a data present in singly linked list is odd or even

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

answer C function to check a data present in singly linked list is odd or even

C function to check a data present in singly linked list is odd or even

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

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

// Function to check if a given number is odd or even
char* checkOddEven(int num) {
    return (num % 2 == 0) ? "even" : "odd";
}

// Function to check if a specific data in the linked list is odd or even
char* checkDataOddEven(struct Node* head, int searchData) {
    struct Node* current = head;

    while (current != NULL) {
        if (current->data == searchData) {
            return checkOddEven(current->data);
        }
        current = current->next;
    }

    return "not found";
}

// Function to insert a new node at the beginning of the list
void insertAtBeginning(struct Node** head, int newData) {
    // Create a new node
    struct Node* newNode = (struct Node*)malloc(sizeof(struct 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;

    // Insert some nodes at the beginning of the list
    insertAtBeginning(&head, 3);
    insertAtBeginning(&head, 7);
    insertAtBeginning(&head, 1);
    insertAtBeginning(&head, 4);

    // Print the linked list
    printf("Linked List: ");
    printList(head);

    // Specify the data to check for odd or even
    int searchData = 1;

    // Check if the specified data is odd or even
    char* result = checkDataOddEven(head, searchData);
    printf("Data %d is %s.\n", searchData, result);

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

    return 0;
}

Popularity 1/10 Helpfulness 1/10 Language c

Source: chat.openai.com

Tags: c function linked-list

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Contributed on Nov 20 2023

isuro

0 Answers Avg Quality 2/10

C function to check a data present in singly linked list is odd or even

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