C++ Developer

About the Position

We are seeking a skilled C++ Developer to create a robust application for searching strings in files. This role requires expertise in multi-threading, error handling, and efficient memory usage.

Responsibilities

• Create an application which can be used to search for a string in files.
• The application will receive two command line parameters. The first parameter is a path to a file or folder, while the second parameter is the string to be searched for (maximum length of 128 characters).
• Print the output to stdout in the format <file>(<position>): <prefix>…<suffix>.
  • <file>: Name of a file containing the string
  • <position>: Offset within the file where the string started (zero based)
  • <prefix>: Contains three characters in front of the match
  • <suffix>: Contains three characters after the match
• When there are not enough characters for the whole prefix or suffix (at the beginning or end of the file), use as many as there are available.
• In the prefixes and suffixes, tabs should be printed as \t and new lines as
.
• The application must be able to recursively traverse and process all files in sub-directories.
• The application must take into account that files might be very large (potential memory constraints/limitations).
• The application must not crash for any reason (ensure that exceptions are handled properly, handling of errors from API functions, etc), and should print meaningful error messages when a problem occurs (informing when there was not enough arguments provided, input path is invalid, etc).
• The solution should make use of multi-threading in processing data (at least theoretically). Please note that a single threaded solution may be faster in this sequential scan, especially on slower drives. Try to maximize speed and compare your results with a single threaded solution.

Requirements

• Advanced knowledge of C++
• Proficiency in multi-threading
• Strong understanding of error handling and exception management
• Efficient memory management skills
• Usage of object-oriented programming principles
• C++ programming best practices
• Systematic use of naming conventions
• Good code structure
• Handling of error states and exceptions
• Avoidance of dangerous or error-prone constructs
• Understanding of the “inner workings” of C++ and standard functions (e.g.: wastage of memory or unnecessary (implicit/internal) string/memory copy operations)
• Avoidance of memory leaks

We Offer

• Opportunity to demonstrate your programming style and expertise
• Potential for a higher job level and more appealing salary offer
• Detailed discussion of your solution during an interview

About the Company

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Send us your solution to the following email address: [email protected]