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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct mypair { int first; int second;}; 
  5.  
  6. class Board {
  7. private:
  8.     int size;
  9.     char** matrix = nullptr;
  10.  
  11. public: 
  12.  
  13.     Board(int sizeToSet) {                       //constructor with size
  14.         size = sizeToSet;
  15.  
  16.         matrix = new char*[size];                 //creates a matrix
  17.         for (int i = 0; i < size; i++)
  18.             matrix[i] = new char[size];
  19.  
  20.         for (int i = 0; i < size; i++) {          //makes every cell in matix '.'
  21.             for (int j = 0; j < size; j++) {
  22.                 matrix[i][j] = '.';
  23.             }
  24.         }
  25.     }
  26.  
  27.     void printSize() {                            //matrix size print
  28.         cout << size << endl;
  29.     }
  30.  
  31.     ~Board() {                                    //destructor
  32.         for (int i = 0; i < size; i++)
  33.             delete[] matrix[i];
  34.         delete[] matrix;
  35.     }
  36.  
  37.     Board(const Board& other) {                   //copy constructor
  38.         size = other.size;
  39.         matrix = new char*[size];
  40.  
  41.         for (int i = 0; i < size; i++)
  42.             matrix[i] = new char[size];
  43.  
  44.         for (int i = 0; i < size; i++) {
  45.             for (int j = 0; j < size; j++) {
  46.                 matrix[i][j] = other.matrix[i][j];
  47.             }
  48.         }
  49.     }
  50.  
  51.     friend ostream& operator<<(ostream& os, const Board& boardToPrint) {       //prints matrix
  52.         for (int i = 0; i < boardToPrint.size; i++) {
  53.             for (int j = 0; j < boardToPrint.size; j++) {
  54.                 os << boardToPrint.matrix[i][j] << "  ";
  55.             }
  56.             os << endl;
  57.         }
  58.         return os;
  59.     }
  60.     int operator()(int row, int col) {
  61.         cout << "it worked1" << endl;
  62.         return 1;
  63.  
  64.     }
  65.  
  66.     char & operator[]( const mypair & st ) {
  67.     	return matrix[st.first][st.second];
  68. 	}
  69. };
  70.  
  71.  
  72. int main() {
  73. 	Board board1{10};
  74. 	board1[{0,0}] = 'X';
  75.  
  76. 	std::cout << board1;
  77.  
  78. 	return 0;
  79. }
Success #stdin #stdout 0s 4400KB
comments (?)
stdin 
Standard input is empty
stdout 
X  .  .  .  .  .  .  .  .  .  
.  .  .  .  .  .  .  .  .  .  
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https://ideone.com/mdkzM5
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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