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

4 votes244 views3 answers
C++ hide show console
C++
-1 vote169 views1 answer
Un aliment traduction espagnol
C++
6 votes171 views3 answers
C++ dynamic array
C++
14 votes163 views3 answers
Initialising 2d vector
C++
1 vote157 views1 answer
What is difference between single inverted and double inverted in programming languages
C++
0 vote170 views1 answer
Pretty Print c++ chegg
C++
0 vote159 views1 answer
C++ set count
C++
0 vote212 views1 answer
Polycarp found a rectangular table consisting of n rows and m columns. He noticed that each cell of the table has its number, obtained by the following algorithm "by columns": codeforces solution
C++
1 vote171 views1 answer
C++ vector decimal to binary
C++
0 vote180 views1 answer
Error: initialization with "{...}" expected for aggregate object - c++
C++