1-5-one-edit-away Algorithm

" The One That get Away" is a song by American singer Katy Perry for her third studio album, Teenage Dream (2010)."The One That get Away" peaked at number three on Billboard Hot 100, with Teenage Dream becoming the seventh album in the 53-year history of the Hot 100 to generate at least six top 10s.

1-5-one-edit-away source code, pseudocode and analysis