Istruzioni
Genera il testo della canzone «I Know an Old Lady Who Swallowed a Fly».
Potresti copiare e incollare il testo, oppure leggerlo da un file, ma questo problema è molto più interessante se lo affronti in modo algoritmico.
È una canzone cumulativa di origine sconosciuta.
Questa è una delle tante varianti diffuse.
I know an old lady who swallowed a fly.
I don't know why she swallowed the fly. Perhaps she'll die.
I know an old lady who swallowed a spider.
It wriggled and jiggled and tickled inside her.
She swallowed the spider to catch the fly.
I don't know why she swallowed the fly. Perhaps she'll die.
I know an old lady who swallowed a bird.
How absurd to swallow a bird!
She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
She swallowed the spider to catch the fly.
I don't know why she swallowed the fly. Perhaps she'll die.
I know an old lady who swallowed a cat.
Imagine that, to swallow a cat!
She swallowed the cat to catch the bird.
She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
She swallowed the spider to catch the fly.
I don't know why she swallowed the fly. Perhaps she'll die.
I know an old lady who swallowed a dog.
What a hog, to swallow a dog!
She swallowed the dog to catch the cat.
She swallowed the cat to catch the bird.
She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
She swallowed the spider to catch the fly.
I don't know why she swallowed the fly. Perhaps she'll die.
I know an old lady who swallowed a goat.
Just opened her throat and swallowed a goat!
She swallowed the goat to catch the dog.
She swallowed the dog to catch the cat.
She swallowed the cat to catch the bird.
She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
She swallowed the spider to catch the fly.
I don't know why she swallowed the fly. Perhaps she'll die.
I know an old lady who swallowed a cow.
I don't know how she swallowed a cow!
She swallowed the cow to catch the goat.
She swallowed the goat to catch the dog.
She swallowed the dog to catch the cat.
She swallowed the cat to catch the bird.
She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
She swallowed the spider to catch the fly.
I don't know why she swallowed the fly. Perhaps she'll die.
I know an old lady who swallowed a horse.
She's dead, of course!
Suggerimenti
Questo esercizio riguarda la riorganizzazione del codice, quindi ti forniamo una soluzione che supera già i test.
La sfida è riscriverla finché non ne sei orgoglioso, imparando qualcosa lungo il percorso.
Se non sai da dove iniziare, ecco qualche idea:
- Prova a ridurre al minimo le ripetizioni.
- Prova a rendere il codice leggibile.
- Rendi più generale la soluzione, permettendo alla signora di inghiottire altre cose.
Prenditi il tuo tempo.
Cambia una cosa alla volta e controlla se la soluzione supera ancora i test.
Divertiti!
