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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Matrix
  5. {
  6. public:
  7. Matrix operator*(const double &v)const;
  8. };
  9.  
  10. Matrix Matrix::operator*(const double &v)const { Matrix m; return m; }
  11. Matrix operator*(const double &v,const Matrix &m) { return m.operator*(v); }
  12.  
  13. int main()
  14. {
  15. Matrix a,b;
  16. b=a*2;
  17. a=2*b;
  18. return 0;
  19. }
Success #stdin #stdout 0s 3292KB
stdin
Standard input is empty
stdout
Standard output is empty