Typical interviews include exercises from HackerRank (mostly Cracking the Coding Interview) and usual questions. You can prepare by solving different problems from HackerRank or LeetCode. It's preferable to focus on arrays and strings.
Find running median
The following metrics were computed from 40 interview experiences for the Yandex Software Engineer role in Russia.
Yandex's interview process for their Software Engineer roles in Russia is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Yandex's Software Engineer interview process in Russia.