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
}

Similar codes

52 votes412 views4 answers
Remove first element from vector c++
C++
0 vote273 views1 answer
Convert vector into array c++
C++
1 vote279 views1 answer
Sum of stack c++
C++
0 vote306 views1 answer
How to print a word in c++
C++
0 vote325 views6 answers
Std::string(size_t , char ) constructor:
C++
0 vote264 views6 answers
Python converter to c
C++
0 vote272 views1 answer
C++ call overriden method from constructor
C++
0 vote283 views1 answer
C++ sudoku solver
C++
0 vote268 views1 answer
The program must enter a natural number n from the console and find the number previous to n that is not divisible by 2 , 3 and 5 .
C++
1 vote275 views1 answer
Isprime c++
C++