Troubles deleting a specific element from an array created with new

main.cpp

#include <iostream>

using namespace std;

void print(int* myarr, int len) {
    for(int i = 0; i < len; i++) {
      cout << *(myarr + i) << " ";
    }
    cout << endl;
}

int main()
{
  int len = 20;
  
  int* myarr = new int[len];
  
  for(int i = 0; i < len; i++) {
      *(myarr + i) = i;
  }
  
  print(myarr, len);
  
  delete (myarr + (len-1));
  len--;
  
  print(myarr, len);
}

stdout

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 
free(): invalid pointer