Arrays easy time O(n) space O(1)
Sliding Window (Max Sum)
For a window of size k, sum the first window, then slide: add the entering element and subtract the leaving one. No value is ever re-summed.
First window [0..2] sums to 8.
k 3sum 8best 8
1 / 9
Practice
Machine twin: /dsa-viz-v2/sliding-window.json — the full deterministic run as structured data.