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Online Randomized Problem Generator and Grading System for C++ Programming

This project presents a web-based platform designed to generate randomized programming problems and provide auto-grading for C++ solutions. It aims to enhance coding skills for beginners by offering a user-friendly interface and real-time feedback. The system compares various existing online judges, highlighting their advantages and limitations. Key features include a compilation environment, user interface design, and automated testing. The project outlines future development plans to expand the application and improve user experience.

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Online Randomized Problem Generator and Grading System for C++ Programming

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  1. CORPAS C++ Online Randomized Problem Generator And Grading System COE2012-36 Mr.ThongyosSongsat 523040500-4Mr.NarinKunaseth 523040511-9 MentorPh.D.KornchawalChaipah Department of Computer Engineering Faculty of EngineeringKhonKaen University

  2. Agenda Introduction Related Application & How Difference Design & Development Problem & Future plan Summary

  3. Introduction Motivation

  4. Objective Web Browser Auto Judge Statistic Random

  5. Related Application J-Lab

  6. J-Lab Input code Compile

  7. J-Lab • Advantage • -Good for beginners • Disadvantage • -Only for Java • -Download many program

  8. PC-Square(PC^2)

  9. PC-Square(PC^2) Question

  10. PC-Square(PC^2) Feedback Message

  11. PC-Square(PC^2) • Advantage • -Many features to control & management the contest • Disadvantage -Only for Programming Contest

  12. UVa Online Judge

  13. UVa Online Judge Submit Problem

  14. UVa Online Judge Wrong Result

  15. UVa Online Judge Correct Result

  16. UVa Online Judge • Advantage • -Needs only Internet Browser • -4 languages programming to solve the problem • Disadvantage • -feedback doesn’t give enough information

  17. How difference - Randomly Problem Generator - C++ Programming Language to solve - Coding Automated Judge - Use only Web Browser - Suitable for the beginners 17

  18. Design & Development • Use Case Diagram

  19. User Interface

  20. User Interface(Cont.)

  21. User Interface (Cont.)

  22. User Interface (Cont.)

  23. How to “Compile” <? exec('g++ test.cpp 2>&1', $output); $output = implode("</br>", $output); print_r($output); exec('./a.out2>&1',$output2); $output2 = implode("</br>", $output2); print_r($output2); ?>

  24. Check the answer

  25. Check the answer(Cont.)

  26. Problem

  27. Future plan

  28. Summary • What we have done • -Related Application • -User Interface • -Compile & Check

  29. Project Planning 29

  30. Q & A

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