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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class vector
  5. {
  6.    private:
  7.  
  8.       int len;
  9.       int *pvec;
  10.  
  11.    public:
  12.  
  13.       vector(int array[], int size) : len(size)
  14.       {
  15.          cout<<len<<endl;
  16.          pvec = new int[len+1];
  17.          for(int i = 0;i<len;i++)
  18.          {
  19.             pvec[i] = *(array + i);
  20.          }
  21.       }
  22.  
  23.       template <int N> vector(int (&array)[N]) : vector(array, N) {}
  24.  
  25.       void display()
  26.       {
  27.          cout<<"[";
  28.          for(int i = 0;i<len;i++)
  29.          {
  30.             cout<<pvec[i];
  31.             if(i < len-1)
  32.             {
  33.                cout<<",";
  34.             }
  35.          }
  36.          cout<<endl;
  37.       }
  38. };
  39.  
  40. int main()
  41. {
  42.    int* array1 = new int[20];
  43.    vector v1(array1, 20);
  44.  
  45.    int array2[10] = {0};
  46.    vector v2(array2);
  47.  
  48. }
  49.  
Success #stdin #stdout 0s 3412KB
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Standard input is empty
stdout
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20
10
https://ideone.com/RJN1gd
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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