fork download
copy 
  1. #include<iostream>
  2.  
  3. template < class T > class Vector {
  4. public:
  5.     T * array;
  6.     int arr_size, capacity;
  7.  
  8.     Vector( int n_size = 0 )
  9.         : arr_size( n_size )
  10.     {
  11.         array = new T[ arr_size ];
  12.     }
  13.  
  14.     size_t size() {
  15.         return arr_size;
  16.     }
  17.  
  18.     T & push_back( const T & t ) {
  19.         if( arr_size > capacity )
  20.              resize();
  21.  
  22.         array[ arr_size ] = t;
  23.         arr_size++;
  24.     }
  25.  
  26.     void resize() {
  27.         T * backup = new T[ arr_size ];
  28.         backup = array;
  29.         delete[] array;
  30.         array = new T[ arr_size ];
  31.         array = backup;
  32.         capacity = arr_size;
  33.     }
  34.  
  35.     T & operator []( int i ) {
  36.         return array[ i ];
  37.     }
  38.     const T & operator []( int i ) const {
  39.         return array[ i ];
  40.     }
  41. };
  42.  
  43. int main() {
  44.     Vector < int > tablica;
  45.     for( int i = 0; i < 20; i++ ) {
  46.         tablica.push_back( i );
  47.     }
  48.     for( size_t i = 0; i < tablica.size(); i++ ) {
  49.         std::cout << tablica[ i ] << " ";
  50.     }
  51.  
  52. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0 1 2 3 4 5 4113 0 540090416 540221490 540352564 858861876 891301920 959459380 909194288 808727840 875639346 891301945 892547124 875967794
https://ideone.com/m0gkta
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!