Linked List Problems

Filter by difficulty:

Remove Nodes

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Remove duplicates from a sorted linked list Easy

Solution

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Remove nodes with a given value Easy

Solution

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Remove Nth node from the end Medium

Solution

Linked List Loop

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Detect a loop in a linked list Easy

Solution

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Find the starting point of the loop Medium

Solution

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Check if two linked lists merge and find merge point Easy

Solution

Merge Linked Lists

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Merge two sorted linked lists Easy

Solution

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Merge K sorted linked lists Hard

Solution

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Flatten a 2D singly linked list Medium

Solution

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Flatten a multilevel doubly linked list Medium

Solution

Reverse Linked List

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Reverse a complete linked list Easy

Solution

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Reverse linked list in blocks of size K Medium

Solution

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Swap nodes in pairs Medium

Solution

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Reverse alternate blocks of size K Medium

Solution

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Reverse the linked list between two indices Medium

Solution

Reorder & Rotate

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Partition the linked list around value X Medium

Solution

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Reorder list L0 → Ln → L1 → Ln-1 Medium

Solution

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Rotate the linked list by K nodes Medium

Solution

Sort Linked List

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Insertion sort on a linked list Medium

Solution

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Merge sort on a linked list Medium

Solution