#include<bits/stdc++.h>
using namespace std;

int main(){
  /* while(true){
    int i;
   }    
   while(true){
    int *i = new int;
   }
   */

   int *p = new int;  /// 8 bytes on stack , 4 bytes on heap
   *p = 10;
   cout<<p<<endl;
   cout<<*p<<endl;

   double *d = new double;
   char *c = new char;

  /// Largest element
  int n;
  cin>>n;
  int *a = new int[n];  /// heap
  for(int i=0;i<n;i++){
    cin>>a[i];
  }

  int largest = -1;
  for(int i=0;i<n;i++){
    if(a[i] > largest){
        largest = a[i];
    }
  }
  cout<<largest<<endl;

    int *p = new int;
    delete p;
    
    p = new int;
    delete p;   /// delete single element
    
    p = new int[50];
    delete []p;   /// delete array syntax
    
   return 0;
}