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  1. #include <iostream>
  2. #include <time.h>
  3. using namespace std;
  4.  
  5. class macierz{
  6. 	static const int DEFAULT = 1;
  7. private:
  8. 	double **tab;								//wskaźniki
  9. 	int m_height;								//wysokość macierzy
  10. 	int m_width;								//szerokość macierzy
  11. public:
  12. 	macierz();									//konstruktor domyślny
  13. 	macierz(int height, int width);				//kontruktor z wymiarami macierzy
  14. 	macierz(macierz& mk);						//konstruktor kopiujący
  15. 	double set_test(int i, int j, double x);	//setter
  16. 	double get_test(int i, int j);				//getter
  17. 	void zmien_rozmiar(int h, int w);			//zmiana rozmiaru macierzy
  18. };
  19. macierz::macierz(){
  20. 	m_height = 1;
  21. 	m_width = 1;
  22. 	tab = new double*[DEFAULT];
  23. 	for (int i = 0; i < DEFAULT; ++i )
  24. 		tab[i] = new double[DEFAULT];
  25. 	//wpisanie wartości
  26. 	for (int i = 0; i < m_height; i++)
  27. 		for (int j = 0; j < m_width; j++)
  28. 			tab[i][j] = j+1;
  29. 	//wypisywanie
  30. 	for (int i = 0; i < m_height; i++){
  31. 		cout << "\n";
  32. 		for (int j = 0; j < m_width; j++)
  33. 			printf("%g   ", tab[i][j]);
  34. 	}
  35. }
  36. macierz::macierz(int height, int width){
  37. 	m_height = height;
  38. 	m_width = width;
  39. 	tab = new double*[m_width];
  40. 	for (int i = 0; i < m_width; i++)
  41. 		tab[i] = new double[m_height];
  42.  
  43. }
  44.  
  45. macierz::macierz(macierz& mk) {
  46. 	tab = new double*[mk.m_width];
  47. 	m_width = mk.m_width;
  48. 	for (int i = 0; i < mk.m_height; i++){
  49. 		tab[i] = new double[mk.m_height];
  50. 		tab[i] = mk.tab[i];
  51. 	}
  52. 	cout << "\n";
  53. 	for (int i = 0; i < mk.m_height; i++){
  54. 		cout << "\n";
  55. 		for (int j = 0; j < mk.m_width; j++)
  56. 			printf("%2g   ", tab[i][j]);
  57. 	}
  58. }
  59. double macierz::set_test(int i, int j, double x){	
  60. 	printf("\nwysokosc = %d", m_height);//tutaj nie widać wartości zmiennej
  61. 	printf("\nszerokosc = %d", m_width);
  62. 	if (i >= 0 || i < m_height){
  63. 		if (j >= 0 || j < m_width){
  64. 			srand((unsigned int)time(NULL));
  65. 			//wpisywanie wartości
  66. 			for (int i = 0; i < m_height; i++)	
  67. 				for (int j = 0; j < m_width; j++)
  68. 					tab[i][j] = (rand() % 3) - 1;
  69. 		}
  70. 	}
  71. 	//wypisywanie
  72. 	for (int i = 0; i < m_height; i++){
  73. 		cout << "\n";
  74. 		for (int j = 0; j < m_width; j++)
  75. 			printf("%2g   ", tab[i][j]);
  76. 	}
  77. 	return 0;
  78. }
  79. double macierz::get_test(int i, int j){
  80. 	if (i >= 0 && i < m_height){
  81. 		if (j >= 0 && j < m_width){
  82. 			return tab[i][j];
  83. 		}
  84. 		else{
  85. 			return 0;
  86. 		}
  87. 	}
  88. 	else{
  89. 		return 0;
  90. 	}
  91. }
  92. void macierz::zmien_rozmiar(int h, int w){
  93. 	for (int i = m_width; i < m_width + w; i++)
  94. 		tab[i] = new double[m_height + h];
  95. 	//wpisywanie wartości
  96. 	for (int i = 0; i < m_height + h; i++)
  97. 		if (i < m_height){
  98. 			for (int j = m_width; j < m_width + w; j++){
  99. 				tab[i][j] = 0;
  100. 			}
  101. 		}
  102. 		else{
  103. 			for (int j = 0; j < m_width + w; j++){
  104. 				tab[i][j] = 0;
  105. 			}
  106. 		}
  107. 	m_height = h + m_height;
  108. 	m_width = w + m_width;
  109. 	//wypisywanie
  110. 	for (int i = 0; i < m_height; i++){
  111. 		cout << "\n";
  112. 		for (int j = 0; j < m_width; j++)
  113. 			printf("%2g   ", tab[i][j]);
  114. 	}
  115. }
  116. int main(){
  117. 	macierz();
  118. //	macierz mk(5, 5); //39999 maks.
  119. //	mk.set_test(3,2,9);
  120. //	macierz mk2(mk);
  121. 	//mk.set_test(3,2,9);	
  122. 	//double a = mk.get_test(1,0);
  123. 	//printf("\na = %g", a);
  124. 	//mk.zmien_rozmiar(1,1);
  125.  
  126. 	cout << "\nKoniec programu.\n";
  127. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In constructor ‘macierz::macierz()’:
prog.cpp:33:29: error: ‘printf’ was not declared in this scope
    printf("%g   ", tab[i][j]);
                             ^
prog.cpp: In copy constructor ‘macierz::macierz(macierz&)’:
prog.cpp:56:30: error: ‘printf’ was not declared in this scope
    printf("%2g   ", tab[i][j]);
                              ^
prog.cpp: In member function ‘double macierz::set_test(int, int, double)’:
prog.cpp:60:36: error: ‘printf’ was not declared in this scope
  printf("\nwysokosc = %d", m_height);//tutaj nie widać wartości zmiennej
                                    ^
prog.cpp:64:34: error: ‘srand’ was not declared in this scope
    srand((unsigned int)time(NULL));
                                  ^
prog.cpp:68:24: error: ‘rand’ was not declared in this scope
      tab[i][j] = (rand() % 3) - 1;
                        ^
prog.cpp: In member function ‘void macierz::zmien_rozmiar(int, int)’:
prog.cpp:113:30: error: ‘printf’ was not declared in this scope
    printf("%2g   ", tab[i][j]);
                              ^
stdout 
Standard output is empty
https://ideone.com/Ng1hZs
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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