Why this one's not giving correct output?

#1

Why this one’s not giving correct output?

#2

@cbcao263
You missed to decrement d in while loop. Just write d–; after b=b->next. Also why are you moving b pointer ahead. You need to move that pointer whose length is larger. So add if(l1>l2){ a=head2; b=head; } after line no. 80. your code will work

#3

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