20/01/25 19:19:17 i4ScOGkF.net
>>696 Ruby
a=STDIN.readlines
puts a.select.with_index{|v,i| i==a.rindex(v)}.join
20/01/25 19:19:17 i4ScOGkF.net
>>696 Ruby
a=STDIN.readlines
puts a.select.with_index{|v,i| i==a.rindex(v)}.join
20/01/25 19:19:17 i4ScOGkF.net
>>696 Ruby
a=STDIN.readlines
puts a.select.with_index{|v,i| i==a.rindex(v)}.join