Memory is not a constraint. In a single iteration(NOTE: you
can't go back), how will you find out the 10th last
node/item in a linked list.
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Answer Posted / ravindra
simple,
in case the list has say 90 elements, then for every 10
elements, he is writing to the array. though the array size
is 10, this is done by saying pos%10.
thus when the list is iterated he just substracts 10 from
the pos and then does %10 since he has to factor in, that
array starts from 0 and not from 1 :)
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