Get a free weekly practice problem!
Keep that axe sharp.
× No thanks
You only have free questions left (including this one) .
Write a function that takes
a string and reverses the
letters in place.
Start your free trial!
Log in or sign up with one click to get immediate access to free mock interview questions
We'll never post on your wall or message your friends.
Where do I enter my password?
Actually, we don't support password-based login. Never have. Just the OAuth methods above. Why?
It's easy and quick. No "reset password" flow. No password to forget.
It lets us avoid storing passwords that hackers could access and use to try to log into our users' email or bank accounts.
It makes it harder for one person to share a paid Interview Cake account with multiple people.
Start your free trial!
Log in or sign up with one click to get immediate access to free mock interview questions
We'll never post on your wall or message your friends.
Where do I enter my password?
Actually, we don't support password-based login. Never have. Just the OAuth methods above. Why?
It's easy and quick. No "reset password" flow. No password to forget.
It lets us avoid storing passwords that hackers could access and use to try to log into our users' email or bank accounts.
It makes it harder for one person to share a paid Interview Cake account with multiple people.
Editor
Reset editor
vim/emacs?
regular
vim
emacs
Run
{"id":19435599,"username":"2021-01-17_22:15:12_ut+e%9","email":null,"date_joined":"2021-01-17T22:15:12.611827+00:00","first_name":"","last_name":"","full_name":"","short_name":"friend","is_anonymous":true,"is_on_last_question":false,"percent_done":0,"num_questions_done":0,"num_questions_remaining":46,"is_full_access":false,"is_student":false,"first_payment_date":null,"last_payment_date":null,"num_free_questions_left":3,"terms_has_agreed_to_latest":false,"preferred_content_language":"","preferred_editor_language":"","is_staff":false,"auth_providers_human_readable_list":"","num_auth_providers":0,"auth_email":""}
×
“ Wouldn't have been nearly as confident in my interviews and might not have got my dream internship without this. And the problems are great fun. Thanks!
—
Jessica
. . .