🧠 LRU Cache CLI Visualizer (C++)

A terminal-based Least Recently Used (LRU) Cache simulator built in C++. Features a command-line interface with live stats and a hit ratio progress bar.

🛠 Features

• put <key> <value> → Insert or update
• get <key> → Retrieve value
• show → View current cache state
• stats → Hit/miss stats with live progress bar
• exit → End the session

📸 Demo

🧠 Welcome to the LRU Cache CLI Visualizer!
Enter cache capacity: 3
👉 put 1 100
👉 put 2 200
👉 get 1
🔍 Value: 100
👉 put 3 300
👉 put 4 400
👉 show
[4:400] → [3:300] → [1:100]
👉 stats
📊 Cache Stats:
  Total Ops  : 5
  Hits       : 1
  Misses     : 0
  Evictions  : 1
  Hit Ratio  : 20.00% [██████------------------------]

🔧 Build Instructions

cd src/ g++ -o ../build/lrucache main.cpp LRUCache.cpp cd ../build ./lrucache

📦 Requirements

• C++11 or above
• g++ / clang++
• Linux/macOS/Windows (Terminal)