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  1. #include <iostream>
  2. using namespace std;
  3. union UniVar
  4. {
  5.         char c;
  6.         short s;
  7.         int i;
  8.         long l;
  9.         float f;
  10.         double d;
  11.         long double ld;
  12. };
  13. int main()
  14. {
  15.         cout << "sizeof(UniVar): " << sizeof(UniVar) << endl;
  16.         cout << "sizeof(long double): " << sizeof(long double) << endl << endl;
  17.         return 0;
  18. }
Success #stdin #stdout 0.01s 2724KB
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stdin
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Standard input is empty
stdout
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sizeof(UniVar): 12
sizeof(long double): 12
https://ideone.com/Ex1WC
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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