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Reverse Nodes in K-Group

Medium

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Reverse nodes of a linked list in groups of size k.

Sample Input:

[1,2,3,4,5], 2

Sample Output:

[2,1,4,3,5]

Hints

Hint 1

Reverse k nodes at a time

Hint 2

Connect reversed groups properly

Hint 3

Handle remaining nodes if less than k

Code Editor

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