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From: Robert Klemme <shortcutter@googlemail.com>
Newsgroups: comp.lang.ruby
Subject: Re: Making a count of unique elements in an array
Date: Sat, 14 Dec 2013 17:22:03 +0100
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On 12.12.2013 18:56, vsingla160@gmail.com wrote:
> if i have to count no. of distinct elements in a 2D array ,then what to do??

Iterate and count.  For counting you can use a Hash with default value 0.

Cheers

	robert