Return to Answer

added 122 characters in body

Source Link

edited Jun 2, 2020 at 23:12

Ruby, 7373 64 bytes

->s,n{c=s.chars;(10...n).flat_map{|i|[*s.charsc.repeated_permutationproduct(i*[c]*_1)]}.map{_1*''}}

->s,n{c=s.chars;(0...n).flat_map{|i|c.product(*[c]*i)}.map &:join)}

->s,n{(1..n).flat_map{|i|[*s.chars.repeated_permutation(i)]}.map(&:join)}

->s,n{c=s.chars;(0...n).flat_map{c.product(*[c]*_1)}.map{_1*''}}

->s,n{c=s.chars;(0...n).flat_map{|i|c.product(*[c]*i)}.map &:join}

Source Link

created Jul 15, 2018 at 10:34

->s,n{(1..n).flat_map{|i|[*s.chars.repeated_permutation(i)]}.map(&:join)}