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

3 votes312 views2 answers
Size of a matrix using vector c++
C++
0 vote322 views1 answer
I++ and++i
C++
9 votes316 views4 answers
Print vector of vector c++
C++
13 votes309 views4 answers
Stl sort in c++
C++
9 votes312 views2 answers
Fast io
C++
2 votes349 views1 answer
Conditional cout in c++
C++
0 vote320 views1 answer
Https://www.google
C++
0 vote309 views1 answer
GoPro camera for kids aus
C++
2 votes282 views2 answers
How to make a c++ program run in the background
C++
2 votes336 views1 answer
2-Dimensional array in c++
C++