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

9 votes137 views5 answers
C++ cin cout
C++
5 votes146 views6 answers
While loop in c++
C++
0 vote198 views1 answer
Primtiive calculator in c++
C++
0 vote188 views1 answer
Print each number of digit c++
C++
0 vote163 views1 answer
C++ get environment variable
C++
0 vote130 views1 answer
How to check sqrt of number is integer c++
C++
0 vote136 views1 answer
C++ Attribute Parser
C++
0 vote138 views2 answers
C++ to mips converter online
C++
0 vote132 views1 answer
Powers of 2 in cpp
C++
1 vote143 views1 answer
Qlabel set text color
C++