Function main

Exercises/NoModules/Chapter 20/Soln20_02/Soln20_02.cpp:14–66

*/

int main()
{
  std::string words[]{ "The", "quick", "brown", "fox", "jumps" };
  std::stack<std::string> wordStack;              // A stack of strings

  for (const auto& word : words)
    wordStack.push(word);

  std::stack<std::string> newStack{ wordStack };  // Create a copy of the stack

  // Display the words in reverse order
  while (!newStack.empty())
  {
    std::cout << newStack.top() << ' ';
    newStack.pop();
  }
    
  std::cout << std::endl;

  // Reverse wordStack onto newStack
  while (!wordStack.empty())
  {
    newStack.push(wordStack.top());
    wordStack.pop();
  }

  // Display the words in original order
  while (!newStack.empty())
  {
    std::cout << newStack.top() << ' ';
    newStack.pop();
  }
    
  std::cout << std::endl;

  std::cout << std::endl << "Enter a line of text:" << std::endl;
  std::string text;
  std::getline(std::cin, text);    // Read a line into the string object

  std::stack<char> characters;     // A stack for characters

  for (size_t i{}; i < text.length(); ++i)
    characters.push(text[i]);      // Push the string characters onto the stack

  std::cout << std::endl;
  while (!characters.empty())
  {
    std::cout << characters.top(); // Pop the characters off the stack
    characters.pop();
  }

  std::cout << std::endl;
}