Input: A unsorted array of size n.
Output: An array of size n.
Relationship:
> elements of input array and output array have 1:1 correspondence.
> output[i] is equal to the input[j] (j>i) which is smaller than input[i]
and jth is nearest to ith ( i.e. first element which is smaller).
> If no such element exists for Input[i] then output[i]=0.
Eg.
Input: 1 5 7 6 3 16 29 2 7
Output: 0 3 6 3 2 2 2 0 0

-- 
With Regards,
*Jalaj Jaiswal* (+919019947895)
Final Year Undergraduate,
IIIT ALLAHABAD

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