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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<class T>
  5. class mnl{
  6. 	private:
  7. 	T **mt;
  8. 	int l1;
  9. 	int l2;
  10.  
  11. 	public:
  12. 	mnl(int n1,int n2){
  13. 		l1=n1;
  14. 		l2=n2;
  15. 		mt=new T**[l1];
  16.  
  17. 		int i;
  18.  
  19. 		for(i=0;i<l1;i++){
  20.  
  21. 			mt[i]=new T*[l2]; 
  22.  
  23. 		}
  24.  
  25.  
  26.  
  27. 	}
  28.  
  29. 	void cm();
  30. 	void sm();
  31.  
  32.  
  33.  
  34. };
  35.  
  36.  
  37.  
  38.  
  39.  
  40. int main() {
  41.  
  42. 	mnl <int>mn(4,5);
  43.  
  44. 	mn.cm();
  45. 	mn.sm();
  46.  
  47.  
  48.  
  49. 	return 0;
  50. }
  51.  
  52.  
  53.  
  54. template<class T>
  55. void mnl<T>::cm(){
  56.  
  57. 	int i,i2;
  58.  
  59. 	for(i=0;i<l1;i++){
  60.  
  61. 		for(i2=0;i2<l2;i2++){
  62.  
  63. 			cout<<"Scrivi il numero\n";
  64.  
  65. 			cin>>mt[i][i2];
  66.  
  67.  
  68. 		}
  69.  
  70.  
  71.  
  72. 	}
  73.  
  74.  
  75. }
  76.  
  77.  
  78.  
  79. template<class T>
  80. void mnl<T>::sm(){
  81.  
  82. 	int i,i2;
  83.  
  84. 	for(i=0;i<l1;i++){
  85.  
  86. 		for(i2=0;i2<l2;i2++){
  87.  
  88. 			cout<<mt[i][i2]<<" ";
  89.  
  90.  
  91. 		}
  92.  
  93. 		cout<<"\n";
  94.  
  95. 	}
  96.  
  97.  
  98.  
  99. }
  100.  
  101.  
Compilation error #stdin compilation error #stdout 0s 0KB
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compilation info 
prog.cpp: In instantiation of ‘mnl<T>::mnl(int, int) [with T = int]’:
prog.cpp:42:17:   required from here
prog.cpp:15:5: error: cannot convert ‘int***’ to ‘int**’ in assignment
   mt=new T**[l1];
   ~~^~~~~~~~~~~~
prog.cpp:21:9: error: cannot convert ‘int**’ to ‘int*’ in assignment
    mt[i]=new T*[l2];
    ~~~~~^~~~~~~~~~~
stdout
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Standard output is empty
https://ideone.com/nbRpQT
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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