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PrimeDate

This program allows users to input a range of dates and determine which dates within that range are prime when formatted as YYYY-MM-DD.

Prerequisites

  • A C++ compiler that supports C++11 or higher (e.g., GCC, Clang, or MSVC).
  • The PrimeUtils.h file which contains the utility functions.

Usage

  1. Compile the source code.
  2. Run the program.
  3. When prompted, enter the start and end dates in the YYYY-MM-DD format.
  4. The program will then display any prime dates within the specified range.
  5. To exit the program, simply enter quit or q or just an empty string when prompted.

Features

  • Robust input error handling: The program will catch and inform you of any input format errors.
  • Efficient prime checking algorithm.

How It Works

The program prompts the user for a start and end date, then iterates through each date in that range. It then checks whether the date, when formatted as YYYY-MM-DD, is a prime number. If it is, it displays the date and the corresponding number to the user.

Known Issues

  • Leap years are accounted for, but there may be discrepancies in very distant future years.
  • The program assumes the Gregorian calendar.