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| author | Simon Proctor <simon.proctor@zpg.co.uk> | 2019-07-05 09:43:37 +0100 |
|---|---|---|
| committer | Simon Proctor <simon.proctor@zpg.co.uk> | 2019-07-05 09:43:37 +0100 |
| commit | d885fae13739fccfab21ca92add4cd2641a54e28 (patch) | |
| tree | 86c38497074fce66f89421a550b34cbb67701ab8 | |
| parent | 08c96517f775b02400fd05c11728902132546587 (diff) | |
| download | perlweeklychallenge-club-d885fae13739fccfab21ca92add4cd2641a54e28.tar.gz perlweeklychallenge-club-d885fae13739fccfab21ca92add4cd2641a54e28.tar.bz2 perlweeklychallenge-club-d885fae13739fccfab21ca92add4cd2641a54e28.zip | |
Strong and week primes
| -rw-r--r-- | challenge-015/simon-proctor/perl6/ch-1.p6 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/challenge-015/simon-proctor/perl6/ch-1.p6 b/challenge-015/simon-proctor/perl6/ch-1.p6 new file mode 100644 index 0000000000..277e85522e --- /dev/null +++ b/challenge-015/simon-proctor/perl6/ch-1.p6 @@ -0,0 +1,15 @@ +#!/usr/bin/env perl6 +use v6; + +#| Print the first x strong and weak primes +sub MAIN( + UInt $x #= Number of primes to print +) { + my @primes = (1..*).grep( *.is-prime ); + + my @strong = (1..*).grep( { @primes[$_] > (@primes[$_-1] + @primes[$_+1]) / 2 } ).map( { @primes[$_] } ); + my @weak = (1..*).grep( { @primes[$_] < ( @primes[$_-1] + @primes[$_+1] ) / 2 } ).map( { @primes[$_] } ); + + say "Strong {@strong[^$x].join(", ")}"; + say "Weak {@weak[^$x].join(", ")}"; +}
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