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  1.  
  2. #include <iostream>
  3. #include <bitset>
  4. #include <cstdint>
  5.  
  6. int main() {
  7.     char c = -127;
  8.     int a = static_cast<int>(c);
  9.     std::int32_t d =  static_cast<int32_t>(c);
  10.  
  11.     std::cout << "c = " << c << " As binary: " << std::bitset<8>(c)  << std::endl;
  12.     std::cout << "a = " << a << " As binary: "<< std::bitset<64>(a)  << std::endl;
  13.     std::cout << "d = " << d << " As binary: "<< std::bitset<32>(d)  << std::endl;
  14. }
Success #stdin #stdout 0s 4456KB
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stdin
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Standard input is empty
stdout
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c = � As binary: 10000001
a = -127 As binary: 1111111111111111111111111111111111111111111111111111111110000001
d = -127 As binary: 11111111111111111111111110000001
https://ideone.com/VMK3pc
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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