Interview prep
16 problems reported by Hudson River Trading candidates, 1 of them in the last 30 days. Solve the most asked ones first, learn the topics that come up most, and practise explaining your approach out loud.
“Last 30 days” and the other windows are counted back from the data's last update on Aug 16, 2026.
Interviewers score how you clarify, reason, code and test, not only the final answer. Read the 45-minute plan and what to say at each step.
Top 25 most asked
0/16 solved
Hudson River Trading's classics. Start here if your interview is soon.
Asked all time
0/16 solved
Ticks here count everywhere: roadmap, reviews and problem pages.
Topics across problems asked all time. Learn the top few first; tap one to filter the list.
16 problems
Source: the community-maintained LeetCode company-wise dataset (updated Aug 16, 2026). Frequency is relative to Hudson River Trading's most-asked problem. These are candidate reports, not an official list.