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  1. #include <iostream>
  2. #include <string>
  3.  
  4. template <typename TType, int TRows, int TCols>
  5. class TwoDArray {
  6.   private:
  7.     TType theArray[TRows][TCols];
  8.     TType defSpace;
  9.  
  10.   public:
  11.     TwoDArray(TType def);
  12.     ~TwoDArray();
  13.     void insert(int r, int c, TType value);
  14.     TType access(int r, int c);
  15.     void remove(int r, int c);
  16.     void print();
  17.     int getNumRows() const { return TRows; }
  18.     int getNumCols() const { return TCols; }
  19. };
  20.  
  21. //initializes the 2D Array
  22. template <typename TType, int TRows, int TCols>
  23. TwoDArray<TType, TRows, TCols>::TwoDArray(TType def) {
  24.   defSpace = def;
  25.   //sets all values to the default
  26.   for(int i=0; i<TRows; i++) {
  27.     for(int j=0; j<TCols; j++) {
  28.     theArray[i][j] = defSpace;
  29.     }
  30.   }
  31. }
  32.  
  33. //deletes the 2D Array
  34. template<typename TType, int TRows, int TCols>
  35. TwoDArray<TType, TRows, TCols>::~TwoDArray() {}
  36.  
  37. //inserts value v at row r and column c
  38. template<typename TType, int TRows, int TCols>
  39. void TwoDArray<TType, TRows, TCols>::insert(int r, int c, TType value) {
  40.   theArray[r][c] = value;
  41. }
  42.  
  43. //get value at row r, column c
  44. template<typename TType, int TRows, int TCols>
  45. TType TwoDArray<TType, TRows, TCols>::access(int r, int c) {
  46.   TType result = theArray[r][c];
  47.   return result;
  48. }
  49.  
  50. //set value at row r and column c back to default
  51. template<typename TType, int TRows, int TCols>
  52. void TwoDArray<TType, TRows, TCols>::remove(int r, int c) {
  53.   theArray[r][c] = defSpace;
  54. }
  55.  
  56. //print the 2D Array
  57. template<typename TType, int TRows, int TCols>
  58. void TwoDArray<TType, TRows, TCols>::print() {
  59.   for(int i=0; i<TRows; i++) {
  60.     for(int j=0;j<TCols; j++) {
  61.       std::cout << theArray[i][j];
  62.       std::cout << " ";
  63.     }
  64.     std::cout << std::endl;
  65.   }
  66. }
  67.  
  68. int main()
  69. {
  70.     TwoDArray<int, 5, 5> i(0);
  71.     i.insert(1, 1, 1);
  72.     i.insert(1, 3, 1);
  73.     i.insert(3, 2, 8);
  74.     i.insert(2, 0, 3);
  75.     i.insert(2, 4, 3);
  76.     i.insert(3, 2, 8);
  77.     i.print();
  78.  
  79.     std::cout << "\n\n";
  80.  
  81.     TwoDArray<std::string, 5, 5> s("o");
  82.  
  83.     s.insert(0, 2, "North");
  84.     s.insert(4, 2, "South");
  85.     s.insert(2, 4, "East");
  86.     s.insert(2, 0, "West");
  87.     s.print();
  88.  
  89.     return 0;
  90. }
  91.  
Success #stdin #stdout 0.01s 2860KB
comments (?)
stdin
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Standard input is empty
stdout
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0 0 0 0 0 
0 1 0 1 0 
3 0 0 0 3 
0 0 8 0 0 
0 0 0 0 0 


o o North o o 
o o o o o 
West o o o East 
o o o o o 
o o South o o
https://ideone.com/dEfZn5
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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