Topic: linked-list-problem / Level: beginner

• 951. Write a function to reverse the last k nodes in a doubly linked list.
• 952. How do you count the number of prime nodes in a singly linked list?
• 953. Implement a function to delete every node whose value is greater than the average of the linked list.
• 954. Write a function to reverse every alternate node in a singly linked list.
• 955. How do you delete the node at the middle of a circular singly linked list?
• 956. Implement a function to merge two unsorted circular singly linked lists into one sorted circular singly linked list.
• 957. Write a function to find the second smallest node in a circular doubly linked list.
• 958. How do you count the number of even-positioned nodes in a circular singly linked list?
• 959. Implement a function to reverse every third node in a singly linked list.
• 960. Write a function to remove all nodes whose values are less than the average value of the circular singly linked list.
• 961. How do you delete the last node in a circular doubly linked list?
• 962. Implement a function to reverse the nodes in the first half of a doubly linked list.
• 963. Write a function to check if two doubly linked lists have the same values.
• 964. How do you reverse the first n nodes in a singly linked list?
• 965. Implement a function to delete every k-th node in a circular doubly linked list.
• 966. Write a function to find the sum of all nodes in a circular singly linked list.
• 967. How do you remove the node before the last node in a singly linked list?
• 968. Implement a function to reverse the order of nodes in pairs in a circular singly linked list.
• 969. Write a function to count the number of prime nodes in a doubly linked list.
• 970. How do you delete the node at the second position in a doubly linked list?
• 971. Implement a function to reverse the second half of a singly linked list.
• 972. Write a function to find the largest node in a circular doubly linked list.
• 973. How do you reverse every second node in a singly linked list?
• 974. Implement a function to count the number of even nodes in a circular doubly linked list.
• 975. Write a function to delete the node at the third position in a singly linked list.
• 976. How do you merge two unsorted circular singly linked lists into one sorted doubly linked list?
• 977. Implement a function to reverse the first k nodes in a circular singly linked list.
• 978. Write a function to count the number of nodes in a circular singly linked list that are divisible by 5.
• 979. How do you delete the middle node from a circular doubly linked list?
• 980. Implement a function to remove all nodes with values less than a given threshold from a singly linked list.
• 981. Write a function to reverse the second half of a circular singly linked list.
• 982. How do you find the node at the k-th position from the end in a doubly linked list?
• 983. Implement a function to delete every third node in a circular singly linked list.
• 984. Write a function to count the number of nodes with odd values in a circular singly linked list.
• 985. How do you reverse every alternate node in a doubly linked list?
• 986. Implement a function to remove all nodes whose values are greater than the average in a circular singly linked list.
• 987. Write a function to delete the second last node in a circular doubly linked list.
• 988. How do you reverse every second node in a circular singly linked list?
• 989. Implement a function to find the smallest node in a singly linked list.
• 990. Write a function to remove all nodes with even values in a circular singly linked list.
• 991. How do you count the number of odd-positioned nodes in a circular doubly linked list?
• 992. Implement a function to reverse the first n nodes of a doubly linked list.
• 993. Write a function to check if a singly linked list contains only unique values.
• 994. How do you remove the last node in a circular singly linked list without losing the list structure?
• 995. Implement a function to delete every node whose value is greater than the sum of its neighbors in a doubly linked list.
• 996. Write a function to reverse every third node in a circular singly linked list.
• 997. How do you count the number of nodes in a doubly linked list that have values divisible by 2?
• 998. Implement a function to remove the middle node from a singly linked list.
• 999. Write a function to reverse the second half of a circular doubly linked list.
• 1000. How do you delete every second node in a singly linked list?

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• Intermediate
• Advanced