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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class PhanSo{
  6. private:
  7. 	int tu;
  8. 	int mau;
  9. public:
  10. 	//loi
  11. 	//chuyen kieu = constructor va dung template 
  12.  
  13. 	template <typename T1>
  14. 	PhanSo(T1 t=0,T1 m=1);
  15. 	PhanSo(T1 t,T1 m){
  16. 		cout<<"Phan so da duoc tao\n";
  17. 		this->tu=(t);
  18. 		this->mau=(m);
  19. 	}
  20.  
  21.  
  22. 	//chuyen kieu = constructor ko dung template
  23. //	PhanSo(int t=0,int m=1){
  24. //		cout<<"Phan so da duoc tao\n";
  25. //		this->tu=(t);
  26. //		this->mau=(m);
  27. //	}
  28. 	void set();      		//ham nhap phan so
  29. 	void get();				// ham xuat phan so
  30.  
  31. 	//   overloading operator
  32. 	friend istream &operator>>(istream &,PhanSo &);
  33. 	friend PhanSo operator+(const PhanSo &,const PhanSo &);    	
  34. 	friend PhanSo operator-(const PhanSo &,const PhanSo &);
  35. 	friend PhanSo operator*(const PhanSo &,const PhanSo &);
  36. 	friend PhanSo operator/(const PhanSo &,const PhanSo &);
  37. };
  38.  
  39. void PhanSo::set(){
  40. 	cin>>*this; 			// toan tu cin da duoc nap chong  !!
  41.  
  42. }
  43. void PhanSo::get(){
  44. 	if(this->tu==0)
  45. 		cout<<"0\n";
  46. 	else if(this->mau==1 )
  47. 		cout<<this->tu<<endl;
  48. 	else if(this->mau==0)
  49. 		cout<<"Phan So khong hop le vi mau so bang khong!\n";
  50. 	else 
  51. 		cout<<this->tu<<"/"<<this->mau<<endl;
  52. }
  53.  
  54. istream &operator>>(istream &in,PhanSo &ps){
  55. 	cout<<"Nhap tu so: ";
  56. 	in>>ps.tu;
  57. 	cout<<"Nhap mau so: ";
  58. 	in>>ps.mau;
  59. 	return in;
  60. }
  61.  
  62. PhanSo operator+(const PhanSo &c,const PhanSo &d){
  63. 	PhanSo kq;
  64. 	kq.tu=(c.tu*d.mau) + (d.tu*c.mau);
  65. 	kq.mau=c.mau*d.mau;
  66. 	return kq;
  67. }
  68.  
  69. PhanSo operator-(const PhanSo &a,const PhanSo &b){
  70. 	PhanSo kq;
  71. 	kq.tu=(a.tu*b.mau) - (b.tu*a.mau);
  72. 	kq.mau=a.mau*b.mau;
  73. 	return kq;
  74. }
  75.  
  76. PhanSo operator*(const PhanSo &a,const PhanSo &b){
  77. 	PhanSo kq;
  78. 	kq.tu=a.tu*b.tu;
  79. 	kq.mau=a.mau*b.mau;
  80. 	return kq;
  81. }
  82.  
  83. PhanSo operator/(const PhanSo &a,const PhanSo &b){
  84. 	PhanSo kq;
  85. 	kq.tu=(a.tu*b.mau) ;
  86. 	kq.mau=a.mau*b.tu;
  87. 	return kq;
  88. }
  89.  
  90. int main(){
  91. 	PhanSo x;
  92. 	PhanSo y;
  93. 	PhanSo z(4,5);
  94. 	cout<<"Khoi tao x!\n";
  95. 	x.set();
  96. 	x.get();
  97. 	cout<<"Khoi tao y!\n";
  98. 	y.set()	;
  99. 	y.get();
  100. 	cout<<"Khoi tao z: ";
  101. 	z.get();
  102. 	char ope;				 //bien luu phep toan muon tinh 
  103. 	cout<<"Nhap phep toan muon tinh voi x va y(+,-,*,/): ";
  104. 	cin>>ope;
  105. 	switch (ope){
  106. 		case '+':{
  107. 			z=x+y;
  108. 			z.get();
  109. 			break;
  110. 		}
  111. 		case '-':{
  112. 			z=x-y;
  113. 			z.get();
  114. 			break;
  115. 		}
  116. 		case '*':{
  117. 			z=x*y;
  118. 			z.get();
  119. 			break;
  120. 		}
  121. 		case '/':{
  122. 			z=x/y;
  123. 			z.get();
  124. 			break;
  125. 		}
  126. 	}
  127.  
  128.  
  129.  
  130.  
  131. }
  132.  
  133.  
  134.  
  135.  
  136.  
  137.  
  138.  
  139.  
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
prog.cpp:15:11: error: expected ‘)’ before ‘t’
  PhanSo(T1 t,T1 m){
        ~  ^~
           )
prog.cpp: In function ‘PhanSo operator+(const PhanSo&, const PhanSo&)’:
prog.cpp:63:9: error: no matching function for call to ‘PhanSo::PhanSo()’
  PhanSo kq;
         ^~
prog.cpp:14:2: note: candidate: ‘template<class T1> PhanSo::PhanSo(T1, T1)’
  PhanSo(T1 t=0,T1 m=1);
  ^~~~~~
prog.cpp:14:2: note:   template argument deduction/substitution failed:
prog.cpp:63:9: note:   couldn't deduce template parameter ‘T1’
  PhanSo kq;
         ^~
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(const PhanSo&)’
 class PhanSo{
       ^~~~~~
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(PhanSo&&)’
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp: In function ‘PhanSo operator-(const PhanSo&, const PhanSo&)’:
prog.cpp:70:9: error: no matching function for call to ‘PhanSo::PhanSo()’
  PhanSo kq;
         ^~
prog.cpp:14:2: note: candidate: ‘template<class T1> PhanSo::PhanSo(T1, T1)’
  PhanSo(T1 t=0,T1 m=1);
  ^~~~~~
prog.cpp:14:2: note:   template argument deduction/substitution failed:
prog.cpp:70:9: note:   couldn't deduce template parameter ‘T1’
  PhanSo kq;
         ^~
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(const PhanSo&)’
 class PhanSo{
       ^~~~~~
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(PhanSo&&)’
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp: In function ‘PhanSo operator*(const PhanSo&, const PhanSo&)’:
prog.cpp:77:9: error: no matching function for call to ‘PhanSo::PhanSo()’
  PhanSo kq;
         ^~
prog.cpp:14:2: note: candidate: ‘template<class T1> PhanSo::PhanSo(T1, T1)’
  PhanSo(T1 t=0,T1 m=1);
  ^~~~~~
prog.cpp:14:2: note:   template argument deduction/substitution failed:
prog.cpp:77:9: note:   couldn't deduce template parameter ‘T1’
  PhanSo kq;
         ^~
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(const PhanSo&)’
 class PhanSo{
       ^~~~~~
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(PhanSo&&)’
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp: In function ‘PhanSo operator/(const PhanSo&, const PhanSo&)’:
prog.cpp:84:9: error: no matching function for call to ‘PhanSo::PhanSo()’
  PhanSo kq;
         ^~
prog.cpp:14:2: note: candidate: ‘template<class T1> PhanSo::PhanSo(T1, T1)’
  PhanSo(T1 t=0,T1 m=1);
  ^~~~~~
prog.cpp:14:2: note:   template argument deduction/substitution failed:
prog.cpp:84:9: note:   couldn't deduce template parameter ‘T1’
  PhanSo kq;
         ^~
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(const PhanSo&)’
 class PhanSo{
       ^~~~~~
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(PhanSo&&)’
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp: In function ‘int main()’:
prog.cpp:91:9: error: no matching function for call to ‘PhanSo::PhanSo()’
  PhanSo x;
         ^
prog.cpp:14:2: note: candidate: ‘template<class T1> PhanSo::PhanSo(T1, T1)’
  PhanSo(T1 t=0,T1 m=1);
  ^~~~~~
prog.cpp:14:2: note:   template argument deduction/substitution failed:
prog.cpp:91:9: note:   couldn't deduce template parameter ‘T1’
  PhanSo x;
         ^
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(const PhanSo&)’
 class PhanSo{
       ^~~~~~
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(PhanSo&&)’
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp:92:9: error: no matching function for call to ‘PhanSo::PhanSo()’
  PhanSo y;
         ^
prog.cpp:14:2: note: candidate: ‘template<class T1> PhanSo::PhanSo(T1, T1)’
  PhanSo(T1 t=0,T1 m=1);
  ^~~~~~
prog.cpp:14:2: note:   template argument deduction/substitution failed:
prog.cpp:92:9: note:   couldn't deduce template parameter ‘T1’
  PhanSo y;
         ^
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(const PhanSo&)’
 class PhanSo{
       ^~~~~~
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
prog.cpp:5:7: note: candidate: ‘constexpr PhanSo::PhanSo(PhanSo&&)’
prog.cpp:5:7: note:   candidate expects 1 argument, 0 provided
stdout
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Standard output is empty
https://ideone.com/j8FcpL
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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