A+B: Difference between revisions

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=={{header|J}}==
 
In the following line, <tt>(1!:1) 3</tt> reads a line from STDIN; <tt>_1}.</tt> drops the last newline character; <tt>:;.0</tt> then cuts it into "words", each
of which are converted into a number (by <tt>".:</tt> when applied with <tt>;.0</tt>), resulting in a vector which is then reduced with addition using <tt>+/</tt>, producing the result.
<lang J>+/".;.0 (_1}.(1!:1) 3)</lang>
Here's a little script, called "a+b.ijs":
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