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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. class Table
  5. {
  6. public:
  7. 	Table(int row, int col)
  8. 		: mRow(row), mCol(col)
  9. 	{
  10. 		mTable.resize(row, std::vector<int>(col, 0));
  11. 	}
  12.  
  13. 	int Row() const { return mRow; }
  14. 	int Col() const { return mCol; }
  15. 	void SetEntry(int row, int col, int value) { mTable[row][col] = value; }
  16. 	int GetEntry(int row, int col) const { return mTable[row][col]; }
  17.  
  18. 	void Print() const
  19. 	{
  20. 		for (auto &rowVector : mTable)
  21. 		{
  22. 			std::cout << "|";
  23. 			for (auto &entry : rowVector)
  24. 			{
  25. 				std::cout << " " << entry;
  26. 			}
  27. 			std::cout << " |\n";
  28. 		}
  29. 	}
  30.  
  31. private:
  32.     int mRow;
  33.     int mCol;
  34. 	std::vector<std::vector<int>> mTable;
  35. };
  36.  
  37. void SetTableToRowColMultiplication(Table &table)
  38. {
  39. 	for (auto row=0; row<table.Row(); ++row)
  40. 	{
  41. 		for (auto col=0; col<table.Col(); ++col)
  42. 		{
  43. 			table.SetEntry(row, col, (row+1)*(col+1));
  44. 		}
  45. 	}
  46. }
  47.  
  48. int main()
  49. {
  50. 	Table t(9, 9);
  51. 	t.Print();
  52. 	std::cout << "======\n";
  53. 	SetTableToRowColMultiplication(t);
  54. 	t.Print();
  55. 	return 0;
  56. }
Success #stdin #stdout 0s 3276KB
comments (?)
stdin 
Standard input is empty
stdout 
| 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 |
======
| 1 2 3 4 5 6 7 8 9 |
| 2 4 6 8 10 12 14 16 18 |
| 3 6 9 12 15 18 21 24 27 |
| 4 8 12 16 20 24 28 32 36 |
| 5 10 15 20 25 30 35 40 45 |
| 6 12 18 24 30 36 42 48 54 |
| 7 14 21 28 35 42 49 56 63 |
| 8 16 24 32 40 48 56 64 72 |
| 9 18 27 36 45 54 63 72 81 |
https://ideone.com/MVmYhc
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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