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With so many answers pertaining to HashMap and actually using SparseArray, I found yours being quite elegant solution.
Also I don't understand how this problem is related to sparse map. If it was it should include couple of empty/null entries.
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Sparse Arrays
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With so many answers pertaining to HashMap and actually using SparseArray, I found yours being quite elegant solution. Also I don't understand how this problem is related to sparse map. If it was it should include couple of empty/null entries.