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  1.  
  2. #include <iostream>
  3. using namespace std;
  4. class Matrix
  5. {
  6. public:
  7. Matrix();
  8. Matrix(Matrix &obj);
  9. Matrix(int row, int col);
  10. ~Matrix();
  11. friend std::istream &operator >> (std::istream &is, Matrix &obj);
  12. friend std::ostream &operator << (std::ostream &os, const Matrix &obj);
  13. };
  14.  
  15. int main() {
  16. // your code goes here
  17. return 0;
  18. }
Success #stdin #stdout 0s 3292KB
stdin
Standard input is empty
stdout
Standard output is empty