Reverse a Doubly Linked List Problem

Reverse a Doubly Linked List Problem — ExecCode Easy DSA Practice

Solve the Reverse a Doubly Linked List problem on ExecCode. Free online easy DSA practice in Linked List. Write and run code in Java, C++, Python — no signup required to run.

Problem description

Description You are given the input needed to solve Reverse a Doubly Linked List. Your task is to compute the required answer and return reversed JSON array string. A number or sequence is stored node by node. In Reverse a Doubly Linked List, each step must preserve the order of nodes while solving the required operation. JSON object with nums array.

Examples

Input {"nums": [1, 2, 3, 4]}; Output [4, 3, 2, 1]

Constraints

Reverse pointer links conceptually

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