Graviton Interview Experience

Company: Graviton Research Capital LLP
Position: Quantitative Analyst
Location: Gurgaon, India
Qualification: BTech in Computer Science from a Tier-I College in India
Status: ❌ Rejected
Hiring Type: Off-campus
📞 Interview Process
Stages:
- Introductory Call
- Technical Round 1
- Technical Round 2
- Technical Round 3
🔍 Round 1: Problem Solving
- Q1: Find the maximum value of
A[i] + A[j] + A[k]in an array such thatA[i] < A[j] < A[k]andi < j < k. - Q2: Leetcode - Domino and Tromino Tiling
💡 Round 2: Project + Logical Thinking
Discussion: Summer Internship Project
-
Q1: On a standard chessboard, what is the maximum number of (for each type of piece):
- Rooks
- Kings
- Bishops
- Queens
- Pawns
that can be placed such that none attack each other? Also find the number of distinct ways to place them in such maximum configurations.
-
Q2: There are 11 soldiers marching on a field, each one watches only his nearest soldier. Distances between all soldiers are distinct.
Prove: There is at least one soldier who is not being watched.
🧠 Round 3: Project + Mathematical Puzzles
Discussion: Summer Internship Project
-
Q1: Given an array of size 200 with whole numbers (≤ 200, possibly with duplicates),
Prove: There exists at least one subset whose sum is divisible by 200. -
Q2: A collection initially has numbers from 1 to 50 (1,2,3....,50).
In each operation, pick any two numbersaandb, remove them, and insert|a - b|.
This is done 49 times until one number remains.
Question: What are all possible final states of the collection?
🧾 Outcome
Final Status: Rejected
Despite not clearing the final round, the experience was a valuable opportunity to solve challenging problems and understand Graviton's rigorous selection process.

