go with some examples man.
example answers: 1 or 9999 or 5000.
See other Hack challenges - 205, 207, 709.
Test if a Number is a Palindrome without using any String Operations
Person of interest?
Put Two 1D matrices into one 1D matrix
Identify Reachable Points
QWERTY Shift Encoder
USC Spring 2013 ACM: Relief Supplies
Slitherlink II: Gimmes
USC Fall 2012 ACM : Code Word Minimum Flipped Bits
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