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HKOI Final 2012

This document outlines the submission rules for the HKOI Final 2012 Contest. Participants must submit their source code only through the web interface, with only the last submission being graded. Programs should avoid accessing files, making network calls, or executing infinite loops. It is crucial to adhere to the runtime limits, which are approximately three times that of the sample program. The document also provides tips for coding in C++, including the use of efficient input/output functions and data type guidelines. Clarifications and questions can be addressed via the web interface.

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HKOI Final 2012

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  1. HKOI Final 2012 Contest

  2. Submission • Submit your source code, not executable! • Submit through web interface • Only your last submission count

  3. Sample test • They are NOT real data for scoring • Judge every 5 minuets • Only newest submission will be judged

  4. Your’ program shouldn’t • R/W any files • Access network • Make system calls • Make infinite loops • If you try to hack the system or damage the contest, you may be disqualified

  5. About time limit • Runtime = real time • Time limit will be roughly 3 times of the sample program • C++ • scanf() is much faster than cin • print() is much faster than cout

  6. Facts • There is no memory limit, as your program can run normally in our computer. • C/C++: return 0;

  7. Facts • Read from stdin and write to stdout • Don’t forget newline • 64bit integer • Pascal: int64 • C/C++: long long int • Use %I64d

  8. Facts • Don’t logout/shutdown the machine • Save all your files to D:\ • Toilet: Raise your hand • Clarification: Raise your hand or use the web interface

  9. Q & A

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