Cant understand the problem in code

#1
#2

@neelrai906 in your code ur trying to find the largest substring only starting with zero index position zero , but it can start from any index position

for example
string-babaaaaba
and k=1;
your code give output-4
but correct answer will be 6

#3

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#4

please make the changes in the code

#5

If I’ll do the changes how will you learn. Don’t focus on quantity. Focus on quality.