Round 1: Technical Phone Screen
Questions:
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Behavioral questions: The interviewer asked a few questions related to my resume, focusing on my experience in leading data teams and past projects involving data architecture and processing.
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Algorithm Question:
Question
Given a list of numbers, return all possible permutations.
Example 1:
Input: nums = [1, 2, 3] Output: [[1, 2, 3], [1, 3, 2], [2, 1, 3], [2, 3, 1], [3, 1, 2], [3, 2, 1]]
Example 2:
Input: nums = [0, 1] Output: [[0, 1], [1, 0]]
from typing import List def permute(nums: List[int]) -> List[List[int]]: result = [] def backtrack(start): if start == len(nums): result.append(nums[:]) for i in range(start, len(nums)): nums[start], nums[i] = nums[i], nums[start] backtrack(start + 1) nums[start], nums[i] = nums[i], nums[start] backtrack(0) return result
Candidate's Approach
The interview was well-structured and focused heavily on algorithms, which made it a bit challenging. However, it was a good experience to demonstrate problem-solving and coding skills.
Interviewer's Feedback
No feedback provided.