Reverse only "N" mid node of link list

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List => 1 2 3 4 5 6 7 8 9

N=3 Out Put => 1 2 3 6 5 4 7 8 9
N=4 Out Put => 1 2 6 5 4 3 7 8 9
N=5 Out Put => 1 2 7 6 5 4 3 8 9

posted Nov 11, 2013 by Vikas Upadhyay

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+4 votes

Reverse node of loop of link list ??

List => 1 --->  2 --->  3 --->  4 ---> 5 ---> 6
                                      /        \
                                    10          7
                                     \          /
                                      9 <---  8


OURTPUT => 1 --->  2 --->  3 --->  4 ---> 10 ---> 9
                                          /        \
                                        5           8
                                         \          /
                                          6 <---  7