Coding Interview Question - Letter Combinations Of a Phone Number

preview_player
Показать описание
Letter Combinations Of a Phone Number is a coding interview question from topic recursion asked in Facebook Interviews.

Question: Given a digit string, return all possible letter combinations that the number could represent.

----------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------
Рекомендации по теме
Комментарии
Автор

the subproblem part is okay.
but, You didn't explain how you find out the 2length combination first.

sahanasshenoy
Автор

Really such a brilliant explanation 😊
I'm very happy to watch this video

kunalsoni
Автор

Such a nice example of Dynamic programming!

saurabhsharma