json - Data Structure for Range Matching Lookup -

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assume have structure of ranges, , associated data, instance:

data [     [ [0, 100], "new york"],     [ [101, 200], "boston"],     ... ]

for function receives n arguments , returns entry n in range of left element.

for instance, 

> 103 < "boston"

what best structure transform above achieve fastest lookup time?

if data set should dynamic, use interval tree.


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