Frequently Asked Questions

• Q: What's the compiler NOJ is using and what's its options?
  F: NOJ is running on Windows 2003. We are using GNU GCC/G++ for C/C++, Free Pascal for Pascal. We not support JAVA yet. And their options are:
  

  GCC: -o foo.c -x c foo -ansi -fno-asm -O2 -Wall -lm --static -DONLINE_JUDGE
  G++: -o foo.c foo -ansi -fno-asm -O2 -Wall -lm --static -DONLINE_JUDGE
  FPC: foo.pas -Sd -ofoo -O2 -Op2 -dONLINE_JUDGE
• Q: Where is the input and the output?
  F: Your program shall read input from stdin('Standard Input') and write output to stdout('Standard Output'). For example,you can use 'scanf' in C or 'cin' in C++ to read from stdin, and use 'printf' in C or 'cout' in C++ to write to stdout.
  
• Q: What's the 64-bit integer IO format in C/C++?
  F: Use %I64d.
  
• Q: What's DANGEROUS_CODE?
  F: You can't use that words:
  

  GCC: windows system pause winbase winsock hinstance openprocess winapi
  G++: windows system pause winbase winsock hinstance openprocess winapi createprocess createthread
  FPC: windows system pause assign exec