Dynamic memory allocation c++

Dynamic memory in c++

#include <iostream>

int main()
{
  int* ptr = new int(5);
  
  int* arr = new int[3];
  arr[0] = 96;
  arr[1] = 45;
  arr[2] = 72;
  
  std::cout << *ptr << "\n";// output: 5
  
  for (int i = 0; i < 3; i++)
  {
    std::cout << arr[i] << " ";
  } // output: 96 45 72
}

Dynamic memory allocation c++

string* str_arr = nullptr;
str_arr = new string[10];

//initialize
str_arr[0] = "Hello";
str_arr[1] = " World!";

Similar codes

18 votes347 views5 answers
How to clear console c++
C++
4 votes345 views4 answers
Get list of files in directory c++
C++
0 vote333 views1 answer
How can I delete a substring from a string in c++?
C++
1 vote325 views1 answer
Explicit vs implicit c++
C++
2 votes347 views1 answer
Fatal error: opencv2/opencv.hpp: No such file or directory
C++
0 vote344 views1 answer
Bit c++
C++
1 vote348 views1 answer
Vector of vectors c++
C++
14 votes348 views2 answers
How to sort in descending order in c++
C++
0 vote362 views1 answer
C++ header boilerplate
C++
0 vote329 views1 answer
How to loop through a set of pairs in c++
C++