1st 3 test case not working

#1
#2

@goelsparsh277 at line 73 of your code pass k-dr-2 in recursive function instead of k-dl-2.

#3

to print 0 check if m.size() is 0 or not because sometime d!=-1 for empty cases too.

#4

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#5

Thanks a lot buddy.
I literally tried everything but at last your suggestion helped.

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