Barcelona | Oct-2025-1 | Ifeoma Osegbo | Sprint 1 | Complexity

[Ify-O]

Learners, PR Template

Self checklist

• I have titled my PR with Region | Cohort | FirstName LastName | Sprint | Assignment Title
• My changes meet the requirements of the task
• I have tested my changes
• My changes follow the style guide

Changelist

Briefly explain your PR.

Summary

This PR refactors the JavaScript solutions for Sprint 1 by improving algorithm efficiency and documenting complexity analysis.

Changes

• Refactored algorithms to reduce time complexity where possible
• Added Big O time and space complexity comments
• Documented optimal complexity for each solution
• Kept all existing tests passing

Tasks Completed

• calculateSumAndProduct
• findCommonItems
• hasPairWithSum
• removeDuplicates

Questions

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