Round 1
Questions:
- The first question was inclined towards math and combinatorics.
- The second question was a dynamic programming problem on trees. For reference, see this video.
- The third question was a Codeforces D or E question involving operations to delete, increase, or decrease values in an array.
- The fourth question was also a Codeforces C or D question that involved binary search.
Candidate's Approach
The candidate left the first question unanswered. They found the last two questions (Q3 and Q4) doable and managed to solve them.
Interviewer's Feedback
No feedback provided.