WestMidlands| SDC NOV 2025 |Sara Tahir| Sprint 2 | Implement LRUCache#114

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SaraTahir28:feature/Implement-LRU-Cache

Commits on Feb 18, 2026

LRU cache implementation with a simple list-based approach to understand behaviour before optimising complexity to O(1)
SaraTahir28
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Updating from basic O(n) LRU to full O(1) design with node references and doubly linked list
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