Flowcharts & Processes

Sliding Window Subarray Search

Flowcharts & Algorithms diagram · made in Skemio

Flowchart depicting sliding window algorithm: initialize pointers, expand right pointer, check condition, update min length, contract left pointer, advance loop, and return optimal subarray.
Flowchart depicting sliding window algorithm: initialize pointers, expand right pointer, check condition, update min length, contract left pointer, advance loop, and return optimal subarray.
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What it shows

  • Right pointer expands the search window until a target condition is met.
  • Left pointer shrinks the window to isolate the optimal local solution.
  • Each element enters and exits the window at most once, guaranteeing linear time.

The takeaway

Expand right to satisfy constraints; contract left to minimize cost in linear time.

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