Insertion of a record in a circularly linked list involves the modification of:

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ESE Electronics 2010 Paper 2: Official Paper
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  1. 4 pointers
  2. 3 pointers
  3. 2 pointers
  4. 1 pointers

Answer (Detailed Solution Below)

Option 3 : 2 pointers
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It will require modification of 2 pointers, next of node N1 after which insertion is to be done and next of new node.

We can understand by given example-

Consider ACLL having 4 Nodes A, B, C, D

F1 Neha B 18.2.21 Pallavi D 5

A New Node E is inserted between B & C:

F1 Neha B 18.2.21 Pallavi D 6

So 2 pointer modification required. 

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