Amazon - Software development engineer - Onsite
Level: SDE-II (L5)
Education: Bachelor’s
Years of Experience: 3
Questions Asked:
System design:
Design a web crawler - follow up questions about how to avoid processing same website twice, other optimizations based on unique attributes problem space.
Coding round:
Leetcode 2079. Watering Plants
Example 1:
Input: plants = [2,2,3,3], capacity = 5
Output: 14
Explanation: Start at the river with a full watering can:
- Walk to plant 0 (1 step) and water it. Watering can has 3 units of water.
- Walk to plant 1 (1 step) and water it. Watering can has 1 unit of water.
- Since you cannot completely water plant 2, walk back to the river to refill (2 steps).
- Walk to plant 2 (3 steps) and water it. Watering can has 2 units of water.
- Since you cannot completely water plant 3, walk back to the river to refill (3 steps).
- Walk to plant 3 (4 steps) and water it.
Steps needed = 1 + 1 + 2 + 3 + 3 + 4 = 14.