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Apr 23rd, 2019
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  1. #include <iostream>
  2.  
  3. constexpr int SIZE = 3;
  4.  
  5. int main()
  6. {
  7. double A[SIZE][SIZE] = {0};
  8. double B[SIZE][SIZE] = {0};
  9.  
  10. for (int i = 0; i < SIZE; ++i)
  11. for (int j = 0; j < SIZE; ++j)
  12. std::cin >> A[i][j];
  13. for (int k = 0; k < SIZE; ++k)
  14. for (int l = 0; l < SIZE; ++l) {
  15. for (int i = 0; i <= k; ++i) {
  16. for (int j = 0; j <= l; ++j) {
  17. B[k][l] += A[i][j];
  18. }
  19. }
  20. }
  21.  
  22. for (int i = 0; i < SIZE; ++i) {
  23. for (int j = 0; j < SIZE; ++j)
  24. std::cout << B[i][j] << " ";
  25. std::cout << std::endl;
  26. }
  27.  
  28. return 0;
  29. }
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