Given an array of integers arr, find the sum of min(b), where b ranges over every (contiguous) subarray of arr. Since the answer may be large, return the answer modulo 109 + 7. To find the sum of the ...
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All the latest traffic and travel news affecting your commutes and journeys through Derbyshire including accidents, delays and roadworks on the M1, A38, A52, A50 and other routes around the county.
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