1. You are given a partially written LinkedList class. 2. You are required to complete the body of kReverse function. The function is expected to tweak the list such that all groups of k elements in the list get reversed and linked. If the last set has less than k elements, leave it as it is (don't reverse). 3. Input and Output is managed for you.
Input Format
Input is managed for you
Output Format
Output is managed for you
Constraints
1. Time complexity -> O(n) 2. Space complexity -> constant
Notice
Try First, Check Solution later
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Input
11 1 2 3 4 5 6 7 8 9 10 11 3 100 200
Output
1 2 3 4 5 6 7 8 9 10 11 3 2 1 6 5 4 9 8 7 10 11 100 3 2 1 6 5 4 9 8 7 10 11 200