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ISRO | ISRO CS 2017 – May | Question 79

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In a doubly linked list, the number of pointers affected for an insertion operation will be








None of these

Answer: (D)


Explanation – Actually ,  It depends on the position at which the insertion is done . 

However , there can be at most 3 cases :-

1) Insertion at Begin – 3 pointers affected

2) Insertion at Middle – 4 pointers affected

3) Insertion at End – 3 pointers affected

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Last Updated : 06 Dec, 2018
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