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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. class Ttb2{
  4. 	float a,b,c;
  5. 	public:
  6. 		Ttb2 (){
  7. 			a=b=c=0;
  8. 		}
  9. 		Ttb2(float x,float y,float z){
  10. 			a=x;
  11. 			b=y;
  12. 			c=z;
  13. 		}
  14. 		Ttb2 operator+(Ttb2 y);
  15. 		Ttb2 operator-(Ttb2 y);
  16. 		Ttb2 operator*();
  17. 		friend ostream&operator<<(ostream&x,Ttb2 y);
  18. };
  19. Ttb2 Ttb2::operator+(Ttb2 y){
  20. 	Ttb2 n;
  21. 	n.a=a+y.a;
  22. 	n.b=b+y.b;
  23. 	n.c=c+y.c;
  24. 	return n;
  25. }
  26. Ttb2 Ttb2::operator-(Ttb2 y){
  27. 	Ttb2 n;
  28. 	n.a=a-y.a;
  29. 	n.b=b-y.b;
  30. 	n.c=c-y.c;
  31. 	return n;
  32. }
  33. Ttb2 Ttb2::operator*(){
  34. 	Ttb2 n;
  35. 	n.a=-a;
  36. 	n.b=-b;
  37. 	n.c=-c;
  38. 	return n;
  39. }
  40. ostream&operator<<(ostream&x,Ttb2 y){
  41. 	x<<y.a<<"X"<<char(253);
  42. 	if(y.b>0)
  43. 	    x<<"+"<<y.b<<"X";
  44. 	else
  45. 		x<<"-"<<-y.b<<"X";
  46. 	if(y.c>0)
  47. 	    x<<"+"<<y.c<<endl;
  48. 	else
  49. 		x<<"-"<<-y.c<<endl;
  50. 		return x;
  51. }
  52. int  main(){
  53. 	Ttb2 a(2,4,6);
  54. 	Ttb2 b(2,3,2);
  55.      a=*a;
  56.      b=*b;
  57.      Ttb2 c=a+b;
  58.      Ttb2 d=a-b;
  59.      cout<<"TT t1 khi da doi dau la: "<<a<<endl;
  60.      cout<<"TT t2 khi da doi dau la: "<<b<<endl;
  61.      cout<<"Tong 2 TT la: "<<c<<endl;
  62.      cout<<"Hieu 2 TT la: "<<d<<endl;
  63.      ofstream f("ttb2.txt");
  64.     f<<"TT t1 khi da doi dau la: "<<a<<endl;
  65.      f<<"TT t2 khi da doi dau la: "<<b<<endl;
  66.      f<<"Tong 2 TT la: "<<c<<endl;
  67.      f<<"Hieu 2 TT la: "<<d<<endl;
  68. 	return 0;
  69. }
Success #stdin #stdout 0.01s 5280KB
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stdin
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Standard input is empty
stdout
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TT t1 khi da doi dau la: -2X�-4X-6

TT t2 khi da doi dau la: -2X�-3X-2

Tong 2 TT la: -4X�-7X-8

Hieu 2 TT la: 0X�-1X-4
https://ideone.com/dJVvmD
language:
C++ (gcc 8.3)
created:
9 hours ago
visibility:
public

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