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  1. #include <iostream>
  2. #include <sstream>
  3. #include <ios>
  4. #include <iomanip>
  5. #include <string>
  6.  
  7. int main()  
  8. {
  9.     unsigned char buf[] = { 0xAA, 0xD1, 0x09, 0x01, 0x10, 0xF1 };
  10.  
  11.     std::ostringstream s;
  12.     s << std::hex << std::setfill('0') << std::uppercase
  13.       << std::setw(2) << static_cast<int>(buf[0]) << ':'
  14.       << std::setw(2) << static_cast<int>(buf[1]) << ':'
  15.       << std::setw(2) << static_cast<int>(buf[2]) << ':'
  16.       << std::setw(2) << static_cast<int>(buf[3]) << ':'
  17.       << std::setw(2) << static_cast<int>(buf[4]) << ':'
  18.       << std::setw(2) << static_cast<int>(buf[5]);
  19.  
  20.     std::cout << "[" << s.str() << "]\n";
  21.  
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0.02s 2816KB
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stdin
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Standard input is empty
stdout
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[AA:D1:09:01:10:F1]
https://ideone.com/f2nm7
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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