K ordered LCS gwtting wrong answer in one test case

#1

my code is showing wrong answer in one outof 4 test cases

plz correct the mistake

problem : https://online.codingblocks.com/app/player/39658/content/77394/5154/code-challenge

code: https://ide.codingblocks.com/s/215447

plz reply asap

#2

@sengarankit98
Please see this modified code


I’ve mentioned issues in the code

Please close the doubt