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| -rw-r--r-- | challenge-061/luca-ferrari/raku/ch-2.p6 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/challenge-061/luca-ferrari/raku/ch-2.p6 b/challenge-061/luca-ferrari/raku/ch-2.p6 new file mode 100644 index 0000000000..5c28e0d39b --- /dev/null +++ b/challenge-061/luca-ferrari/raku/ch-2.p6 @@ -0,0 +1,29 @@ +#!env raku +# +# +# You are given a string containing only digits (0..9). +# The string should have between 4 and 12 digits. +# +# Write a script to print every possible valid IPv4 address that can be made by partitioning the input string. +# +# For the purpose of this challenge, a valid IPv4 address consists of four “octets” i.e. A, B, C and D, separated by dots (.). +# +# Each octet must be between 0 and 255, and must not have any leading zeroes. (e.g., 0 is OK, but 01 is not.) +# Example +# +# Input: 25525511135, +# +# Output: +# +# 255.255.11.135 +# 255.255.111.35 +# + +sub MAIN( Int $string = 25525511135 ) { + say "Starting from $string"; + + for $string ~~ m:ex/ ^ ( <[0..9]> ** 1..3 ) ** 4 $/ { + my @ip = $_[0].map( *.Int ); + say @ip.join( '.' ) if @ip.grep( 0 <= * <= 255).elems == @ip.elems; + } +} |