C++ Console Projects

A collection of C++ console-based applications built to practice:

• Object-Oriented Programming (OOP)
• Data Structures & Algorithms
• File Handling (I/O)
• Problem Solving
• System Design Basics

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📁 Project Structure

cpp-console-projects/
│
├── WhatsApp_Messaging_System/
│   ├── source.cpp
│   ├── data/
│   │   ├── users.dat
│   │   └── messages.dat
│   └── README.md
│
├── Hospital_Management_System/
│   ├── source.cpp
│   ├── data/
│   │   ├── patients.dat
│   │   ├── doctors.dat
│   │   └── bills.dat
│   └── README.md
│
├── Trie/
│   ├── source.cpp
│   ├── dictionary.txt
│   └── README.md
│
├── Image_Processing/
│   ├── source.cpp
│   ├── input/
│   │   ├── sample.ppm
│   │   └── sample.pgm
│   ├── output/
│   └── README.md
│
├── TicTacToe/
│   ├── source.cpp
│   ├── scores.txt
│   └── README.md
│
└── README.md

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Projects Overview

1) WhatsApp Messaging System

Concepts: OOP, File Handling, User Authentication

Features:

• User registration and login
• Send and receive messages
• Store chat history
• Message management system

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2) Hospital Management System

Concepts: OOP, File Handling, Data Management

Features:

• Patient registration
• Doctor management
• Appointment scheduling
• Billing system
• Search patients by ID/name

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3) Trie Implementation

Concepts: Data Structures, Recursion, String Processing

Features:

• Insert words
• Search words
• Prefix matching
• Auto-complete suggestions
• Delete words

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4) Image Processing

Concepts: Arrays, File I/O, Algorithms

Features:

• Read/write PGM & PPM images
• Grayscale conversion
• Brightness adjustment
• Contrast adjustment
• Basic image filters

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5) Tic Tac Toe Game

Concepts: Game Logic, Arrays, Problem Solving

Features:

• Two-player mode
• Player vs computer mode
• Win/draw detection
• Score tracking

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How to Run

Clone the repository:

git clone https://github.com/yourusername/cpp-console-projects.git

Navigate to any project:

cd WhatsApp_Messaging_System

Compile:

g++ source.cpp -o app

Run:

./app

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Purpose

These projects were built as part of my journey to improve my C++ programming skills by building practical applications instead of only solving theoretical problems.