LL- K reverse problem

#1

I am trying to submit this on leetcode. But its giving wrong answer on submission. Please help me to figure out the mistake.

#2

Your link has some other code. Please check.

#3

I am sorry. Please check now.

#4

Dry run and check your code with this case:
Your input

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

Output

[3,2,1,5,4]

Expected

[3,2,1,4,5]

You can refer this approach

#5

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