Additive primes: Difference between revisions
Add Miranda
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[2, 3, 5, 7, 11, 23, 29, 41, 43, 47, 61, 67, 83, 89, 101, 113, 131, 137, 139, 151, 157, 173, 179, 191, 193, 197, 199, 223, 227, 229, 241, 263, 269, 281, 283, 311, 313, 317, 331, 337, 353, 359, 373, 379, 397, 401, 409, 421, 443, 449, 461, 463, 467, 487]
</pre>
=={{header|Miranda}}==
<syntaxhighlight lang="miranda">main :: [sys_message]
main = [Stdout (table 5 10 nums), Stdout countmsg]
where nums = filter additive_prime [1..500]
countmsg = "Found " ++ show (#nums) ++ " additive primes < 500\n"
table :: num->num->[num]->[char]
table w c ls = lay [concat (map (rjustify w . show) l) | l <- split c ls]
split :: num->[*]->[[*]]
split n ls = [ls], if #ls < n
= take n ls:split n (drop n ls), otherwise
additive_prime :: num->bool
additive_prime n = prime (dsum n) & prime n
dsum :: num->num
dsum n = n, if n<10
= n mod 10 + dsum (n div 10), otherwise
prime :: num->bool
prime n = n>=2 & #[d | d<-[2..entier (sqrt n)]; n mod d=0] = 0</syntaxhighlight>
{{out}}
<pre> 2 3 5 7 11 23 29 41 43 47
61 67 83 89 101 113 131 137 139 151
157 173 179 191 193 197 199 223 227 229
241 263 269 281 283 311 313 317 331 337
353 359 373 379 397 401 409 421 443 449
461 463 467 487
Found 54 additive primes < 500</pre>
=={{header|Modula-2}}==
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