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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. struct Op
  6. {
  7.     int e;
  8.     Op(int e = 0) : e(e) {}
  9. } power_of;
  10.  
  11. int operator*=(int i, Op f)
  12. {
  13.     return std::pow(i, f.e);
  14. }
  15.  
  16. Op operator*=(Op, int i)
  17. {
  18.     return Op{i};
  19. }
  20.  
  21. #define $$ *=power_of*=
  22.  
  23. int main()
  24. {
  25.     cout << (4 $$ 3 $$ 2);  // prints 262144
  26. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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262144
https://ideone.com/Nb1H3R
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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