|No such thing as a small change|
Re^2: Table shuffling challengeby BrowserUk (Pope)
|on Aug 24, 2013 at 07:11 UTC||Need Help??|
(critical analysis of this assumption is welcome) ... using a hash makes random access faster as compared to arrays
Not so. Both hashes and arrays are classed as O(1) for access; but that 1 is much higher for hashes than for arrays:
Sparse matrix are only really useful when the ratio of zeros to non-zeros is greater than say 8:1 and the size is 100s of millions.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
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