// Illustrate methods for declaring an array

// (C) 2002 Bill Lenhart

#include <iostream>

int main() { // you can omit the word "void" as a parameter
  // Static allocation of an array
  // declare an array of 10 ints
  int list1[10];

  int i;

  for(i=0;i<10;i++) list1[i]=i;

  cout << "Here are the contents of list1: ";
  for(i=0;i<10;i++)
    cout << list1[i] << " ";
  cout << endl;

  int size;
  cout << "Enter size of array: ";
  cin >> size;

  // Dynamic allocation of an array
  // Use a "pointer to int, and allocate with new
  int *list2;
  list2 = new int[size];
  // Note: Could have put all on one line: int *list2 = new int[size];
  // list2 now knows how long it is

  // Note that the pointer list2 can be used as an array name
  for(int j=0;j<size;j++) list2[j]=size-j;

  // Just for fun: for loop defines its own "local" version of i
  // It's scope is that of the for loop, then "old" i is in scope
  cout << "Here are the contents of list2: ";
  for(int i=0;i<size;i++)
    cout << list2[i] << " ";
  cout << endl;
  cout << "Here's the value of i: " << i << endl;

  // By popular demand
  return 0;
}