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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. using namespace std;
  5.  
  6.  
  7. class CO_chitietmay{
  8. private:
  9. 	string O_ma;
  10. public:
  11. 	CO_chitietmay(){
  12. 		O_ma = "";
  13. 	}
  14. 	friend istream& operator >> (istream &is, CO_chitietmay &x){
  15. 		cout << "Nhap ma chi tiet may: ";
  16. 		is >> x.O_ma;
  17. 		fflush(stdin);
  18. 		return is;
  19. 	}
  20. 	friend ostream& operator << (ostream &os, CO_chitietmay x){
  21. 		os << "Ma chi tiet may la: " << x.O_ma << endl;
  22. 		return os;
  23. 	}
  24. };
  25. class C_chitietnho : public CO_chitietmay {
  26. private:
  27. 	float trongluong;
  28. 	float giathanh;
  29. public:
  30. 	C_chitietnho() : CO_chitietmay() {
  31. 		trongluong = 0;
  32. 		giathanh = 0;
  33. 	}
  34. 	float Getter_trongluong(){
  35. 		return this->trongluong;
  36. 	}
  37. 	float Getter_giathanh(){
  38. 		return this->giathanh;
  39. 	}
  40. 	friend istream& operator >> (istream &is, C_chitietnho &x){
  41. 		CO_chitietmay *cha = static_cast<CO_chitietmay *>(&x);
  42. 		is >> *cha;
  43. 		cout << "Nhap trong luong: ";
  44. 		is >> x.trongluong;
  45. 		cout << "Nhap gia thanh  : ";
  46. 		is >> x.giathanh;
  47. 		return is;
  48. 	}
  49. 	friend ostream& operator << (ostream &os, C_chitietnho x){
  50. 		CO_chitietmay cha = static_cast<CO_chitietmay>(x);
  51. 		os << cha;
  52. 		os << "Trong luong: " << x.trongluong << endl;
  53. 		os << "Gia thanh  : " << x.giathanh << endl;
  54. 		return os;
  55. 	}
  56. };
  57. class C_chitietphuc{
  58. private:
  59. 	vector<C_chitietnho> chitietphuc;
  60. public:
  61. 	friend istream& operator >> (istream &is, C_chitietphuc &x){
  62. 		bool check = false;
  63. 		int i = 0 , choose;
  64. 		do 
  65. 		{
  66. 			C_chitietnho a;
  67. 			cout << "Nhap Chi tiet don thu " << i + 1 << endl;
  68. 			is >> a;
  69. 			x.chitietphuc.push_back(a);
  70. 			cout << "Ban muon nhap tiep ko?: ";
  71. 			is >> choose;
  72. 			i++;
  73. 		} while (choose);
  74. 		return is;
  75. 	}
  76. 	friend ostream& operator << (ostream &os, C_chitietphuc x){
  77. 		for(int i = 0 ; i < x.chitietphuc.size() ; i++){
  78. 			os << "Chi tiet don thu "<< i + 1 << endl;
  79. 			os << x.chitietphuc[i] << endl;
  80. 		}
  81. 		return os;
  82. 	}
  83. };
  84. class Machines{
  85. private:
  86. 	vector <C_chitietnho> danhsachnho; // chi tiet don
  87. 	vector <C_chitietphuc> danhsachphuc;
  88. 	float trongluong, giathanh;
  89. public:
  90. 	Machines(){
  91. 		trongluong = 0;
  92. 		giathanh = 0;
  93. 	}
  94. 	void Nhap(){
  95. 		int choose;
  96. 		int i = 0, j = 0;
  97. 		do 
  98. 		{
  99. 			system("cls");
  100. 			cout << "Cac bo phan che tac ra 1 co may" << endl;
  101. 			cout << "+1. Nhap chi tiet don. " << endl;
  102. 			cout << "+2. Nhap chi tiet phuc. "<< endl;
  103. 			cout << "+3. Thoat" << endl;
  104. 			cout << "Ban chon: "; 
  105. 			cin >> choose;
  106. 			switch(choose){
  107. 			case 1 : 
  108. 				{
  109. 					cout << "Nhap chi tiet don thu " << i + 1 << endl;
  110. 					C_chitietnho x;
  111. 					cin >> x;
  112. 					danhsachnho.push_back(x);
  113. 					i++;
  114. 					break;
  115. 				}
  116. 			case 2 :
  117. 				{
  118. 					cout << "Nhap chi tiet phuc thu " << j + 1 << endl;
  119. 					C_chitietphuc x;
  120. 					cin >> x;
  121. 					danhsachphuc.push_back(x);
  122. 					j++;
  123. 					break;
  124. 				}
  125. 			}
  126. 		} while (choose != 3);
  127. 	}
  128. 	void Xuat()
  129. 	{
  130. 		cout << "Cau tao cua 1 co may gom: " << danhsachnho.size() << " Chi tiet nho vs : " << danhsachphuc.size() << " Chi tiet phuc"<< endl;
  131. 		for(int k = 0 ; k < danhsachnho.size() ; k++ ){
  132. 			cout <<"+Chi tiet don thu "<< k + 1 << endl << danhsachnho[k];
  133. 		}
  134. 		cout << "\n---------------------------------------------------------\n";
  135. 		for(int h = 0 ; h < danhsachphuc.size() ; h++){
  136. 			cout << "+Chi tiet phuc thu " << h + 1 << endl << danhsachphuc[h];
  137. 		}
  138. 		cout << "------------------Ket Thuc------------------------" << endl;
  139. 	}
  140. 	float trongluong_comay(){
  141. 		float Sum_trongluong = 0;
  142. 		float thietbinoi;
  143. 		// chi tiet don truoc;
  144. 		for(int i = 0 ; i < danhsachnho.size() ; i++){
  145. 			Sum_trongluong += danhsachnho[i].Getter_trongluong();
  146. 		}
  147. 		cout << "Thiet bi noi: ";
  148. 		cin >> thietbinoi;
  149. 		return Sum_trongluong + 0.1 * thietbinoi;
  150. 	}
  151. 	float giathanh_comay(){
  152. 		float conglaprap;
  153. 		float Sum_giathanh = 0;
  154. 		// chi tiet don truoc;
  155. 		for(int i = 0 ; i < danhsachnho.size() ; i++){
  156. 			Sum_giathanh += danhsachnho[i].Getter_giathanh();
  157. 		}
  158. 		cout << "Cong lap rap: ";
  159. 		cin >> conglaprap;
  160. 		return Sum_giathanh + 0.2 * conglaprap;
  161. 	}
  162. };
  163. int main()
  164. {
  165. 	Machines a;
  166. 	a.Nhap();
  167. 	a.Xuat();
  168. 	cout << "\nTrong luong cua Machine(Co may): "<< a.trongluong_comay() << endl;
  169. 	cout << "\nGia thanh cua Machine(Co may)  : " << a.giathanh_comay() << endl;
  170. 	cout << endl;
  171. 	system("pause");
  172. 	return 0;
  173. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
copy 
Standard input is empty
compilation info 
prog.cpp: In function 'std::istream& operator>>(std::istream&, CO_chitietmay&)':
prog.cpp:17:10: error: 'stdin' was not declared in this scope
   fflush(stdin);
          ^
prog.cpp:17:15: error: 'fflush' was not declared in this scope
   fflush(stdin);
               ^
prog.cpp: In member function 'void Machines::Nhap()':
prog.cpp:99:16: error: 'system' was not declared in this scope
    system("cls");
                ^
prog.cpp: In function 'int main()':
prog.cpp:171:16: error: 'system' was not declared in this scope
  system("pause");
                ^
stdout
copy 
Standard output is empty
https://ideone.com/KAz6ko
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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