3 ms·It was too simple. (map { $~ =~ s/.*/$&/r } split /\s/, $^W x $/ ) ~~ tr/a-z/x/r x $!by nprateem 11mo agoIt was too simple. (map { $~ =~ s/.*/$&/r } split /\s/, $^W x $/ ) ~~ tr/a-z/x/r x $!