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Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Support all ansh with cide in rigjt eay'h

 

Given a linked list, swap every
two adjacent nodesand return
its head. For example, Given
1->2->3->4, you should return the
list as 2->1->4->3. Your algorithm
should use only constant
space. You may not modify the
values in the list,only nodes
itself can be changed.""
Transcribed Image Text:Given a linked list, swap every two adjacent nodesand return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should use only constant space. You may not modify the values in the list,only nodes itself can be changed.""
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