Meta | SWE Product | E4-E5 Phone Screen

Round 1

Questions:

1. Sliding Window Average: Given an integer array as input and a window size, find the sliding window average.

   • Input: nums = [1, 2, 3, 4, 5, 6, 7, 8, 9], windowSize = 7
   • Output: [4.0, 5.0, 6.0]
   • Follow up: Design an API to return the sliding average, if input is given as a stream instead. Moving Average from Data Stream

2. Next Permutation