Topic: linked-list-problem / Level: beginner

• 851. Write a function to count the number of nodes in a doubly linked list whose values are greater than a given value.
• 852. How do you delete every alternate node in a circular singly linked list?
• 853. Implement a function to find the node with the second largest value in a circular doubly linked list.
• 854. Write a function to reverse the nodes in a circular singly linked list in pairs.
• 855. How do you check if two singly linked lists contain the same elements in reverse order?
• 856. Implement a function to remove every k-th node in a doubly linked list.
• 857. Write a function to reverse the first half of a singly linked list.
• 858. How do you delete the node at the third position in a circular singly linked list?
• 859. Implement a function to find the sum of all odd-positioned nodes in a doubly linked list.
• 860. Write a function to remove all nodes with values divisible by 4 from a circular singly linked list.
• 861. How do you reverse the nodes in the second half of a doubly linked list?
• 862. Implement a function to merge two sorted linked lists into a circular doubly linked list.
• 863. Write a function to check if a circular doubly linked list is sorted in non-decreasing order.
• 864. How do you delete the last node from a circular singly linked list?
• 865. Implement a function to reverse every third node in a singly linked list.
• 866. Write a function to find the node with the largest value in a circular doubly linked list.
• 867. How do you count the number of prime nodes in a singly linked list?
• 868. Implement a function to delete every node with an even value in a circular singly linked list.
• 869. Write a function to reverse every k nodes in a doubly linked list.
• 870. How do you find the middle node in a circular singly linked list without using additional memory?
• 871. Implement a function to remove all nodes whose values are greater than a given threshold in a singly linked list.
• 872. Write a function to delete the second last node in a circular singly linked list.
• 873. How do you reverse the nodes in the first half of a circular doubly linked list?
• 874. Implement a function to count the number of even-positioned nodes in a singly linked list.
• 875. Write a function to check if a circular singly linked list contains any duplicate values.
• 876. How do you delete the node before a given node in a doubly linked list?
• 877. Implement a function to reverse every second node in a circular singly linked list.
• 878. Write a function to merge two sorted doubly linked lists into one sorted circular singly linked list.
• 879. How do you count the number of odd-positioned nodes in a doubly linked list?
• 880. Implement a function to delete every third node in a circular doubly linked list.
• 881. Write a function to reverse the last n nodes in a circular singly linked list.
• 882. How do you check if a doubly linked list is sorted in non-increasing order?
• 883. Implement a function to merge two unsorted circular singly linked lists into one sorted linked list.
• 884. Write a function to count the number of nodes whose values are divisible by a given number in a singly linked list.
• 885. How do you delete every second node in a circular doubly linked list?
• 886. Implement a function to reverse the first n nodes in a doubly linked list.
• 887. Write a function to check if two circular singly linked lists are mirror images of each other.
• 888. How do you find the node with the second smallest value in a singly linked list?
• 889. Implement a function to delete every node with a value divisible by 5 in a circular singly linked list.
• 890. Write a function to reverse the first k nodes in a circular singly linked list.
• 891. How do you count the number of nodes in a circular singly linked list whose values are greater than a given number?
• 892. Implement a function to reverse every alternate node in a doubly linked list.
• 893. Write a function to remove the middle node from a circular singly linked list.
• 894. How do you delete the node at the k-th position in a circular singly linked list?
• 895. Implement a function to find the second largest element in a circular singly linked list.
• 896. Write a function to reverse every second node in a doubly linked list.
• 897. How do you check if a circular doubly linked list contains any repeating elements?
• 898. Implement a function to delete all nodes with values less than a given value in a circular doubly linked list.
• 899. Write a function to reverse the last k nodes in a singly linked list.
• 900. How do you remove every node with an even value from a circular singly linked list?

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• Intermediate
• Advanced