Primes whose first and last number is 3: Difference between revisions
Content added Content deleted
(→J: add) |
(→J: speedup 20x, add stretch goal) |
||
Line 596: | Line 596: | ||
=={{header|J}}== |
=={{header|J}}== |
||
<syntaxhighlight lang="j"> (#~ 1&p: |
<syntaxhighlight lang="j"> primes3x3=. 3 ;@; 10 <@(#~ 1&p:)@(30&* + 3 + 10 * i.)@^ i. |
||
⚫ | |||
primes3x3 3 |
|||
⚫ | |||
# primes3x3 5 |
|||
2251</syntaxhighlight> |
|||
=={{header|jq}}== |
=={{header|jq}}== |