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|
#!/usr/bin/ruby
#
# See ../README.md
#
#
# Run as: ruby ch-2.rb < input-file
#
ARGF . each_line do
| line |
line = line . strip
palindromes = {}
for i in 0 .. line . length - 1 do
for j in i .. line . length - 1 do
string = line [i .. j]
if string == string . reverse then
palindromes [string] = 1
end
end
end
palindromes . each_key do
| key |
print key
print " "
end
puts ""
end
|
