63 lines
2.6 KiB
C++
63 lines
2.6 KiB
C++
// fig13_10.cpp
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// Standard library stack adaptor class.
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#include <iostream>
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#include <list> // list class-template definition
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#include <ranges>
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#include <stack> // stack adaptor definition
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#include <vector> // vector class-template definition
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// pushElements generic lambda to push values onto a stack
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auto pushElements = [](auto& stack) {
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for (auto i : std::views::iota(0, 10)) {
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stack.push(i); // push element onto stack
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std::cout << stack.top() << ' '; // view (and display) top element
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}
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};
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// popElements generic lambda to pop elements off a stack
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auto popElements = [](auto& stack) {
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while (!stack.empty()) {
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std::cout << stack.top() << ' '; // view (and display) top element
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stack.pop(); // remove top element
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}
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};
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int main() {
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std::stack<int> dequeStack{}; // uses a deque by default
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std::stack<int, std::vector<int>> vectorStack{}; // use a vector
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std::stack<int, std::list<int>> listStack{}; // use a list
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// push the values 0-9 onto each stack
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std::cout << "Pushing onto dequeStack: ";
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pushElements(dequeStack);
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std::cout << "\nPushing onto vectorStack: ";
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pushElements(vectorStack);
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std::cout << "\nPushing onto listStack: ";
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pushElements(listStack);
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// display and remove elements from each stack
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std::cout << "\n\nPopping from dequeStack: ";
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popElements(dequeStack);
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std::cout << "\nPopping from vectorStack: ";
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popElements(vectorStack);
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std::cout << "\nPopping from listStack: ";
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popElements(listStack);
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std::cout << "\n";
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}
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/**************************************************************************
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* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
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* Pearson Education, Inc. All Rights Reserved. *
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* *
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* DISCLAIMER: The authors and publisher of this book have used their *
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* best efforts in preparing the book. These efforts include the *
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* development, research, and testing of the theories and programs *
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* to determine their effectiveness. The authors and publisher make *
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* no warranty of any kind, expressed or implied, with regard to these *
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* programs or to the documentation contained in these books. The authors *
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* and publisher shall not be liable in any event for incidental or *
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* consequential damages in connection with, or arising out of, the *
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* furnishing, performance, or use of these programs. *
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**************************************************************************/
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