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  1.     #include <iostream>
  2.     #include <iomanip>
  3.  
  4.  
  5.     int main() {
  6. 	    int x = 10; // equivalents to 0x0A
  7. 	    int y = 0x0A; // equivalents to 10
  8.  
  9.         std::cout << std::setw(2) << std::setfill('0') 
  10.                   << "x = " << std::hex <<  "0x" << x << std::endl;
  11.         std::cout << "y = " << std::dec << y << std::endl;
  12.  
  13. 	    return 0;
  14.     }
Success #stdin #stdout 0s 3340KB
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Standard input is empty
stdout
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x = 0xa
y = 10
https://ideone.com/PJcOai
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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