Off-by-One Error Detector

Identify off-by-one errors with this AI prompt, ensuring accurate array indexing and loop boundaries for precise code execution.

What this prompt does

  • Identifies off-by-one errors in code by analyzing loop invariants and array indexing.
  • Highlights common mistakes such as missing first or last elements and accessing beyond array bounds.
  • Provides corrected index arithmetic and explains inclusive-versus-exclusive boundary issues.

How to use this prompt

  1. Fill in the [SHARE CODE SNIPPET] and [DESCRIBE THE ERROR] placeholders with your specific code example and a brief description of the suspected off-by-one error.
  2. Example: "My code snippet iterates over an array but misses the last element. The loop condition should be adjusted to include the final index."

Free prompt — copy, paste and run. Part of the Coding prompts collection in the God of Prompt library.

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