process blackrock oa

[latent kite]

Hey! If you don't mind ..could you let know what questions were on the OA? And how many were there ? How to prepare for it ?

[gusty briar]

Two questions, do leetcode

And there’s a video portion

[latent kite]

Most Popular Problems for Blackrock (last 6 months):
Valid Parentheses (18 times): https://leetcode.com/problems/valid-parentheses/
Evaluate Division (11 times): https://leetcode.com/problems/evaluate-division/
Pairs of Songs With Total Durations Divisible by 60 (4 times): https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60/

Are these problems enough ?

And what's the video portion ?
Do we have to explain our solution ?

In the email it's said we need to complete in 5 calendar days ...but to alot 60 minutes