Stack Example
tuhuuduc
c_cpp
a year ago
1.1 kB
7
Indexable
#include <iostream> #include <vector> template <typename T> class Stack { private: std::vector<T> elements; public: // Push element onto the stack void push(const T& element) { elements.push_back(element); } // Pop element from the stack void pop() { if (!elements.empty()) { elements.pop_back(); } else { std::cerr << "Stack is empty. Cannot pop." << std::endl; } } // Get the top element of the stack T& top() { if (!elements.empty()) { return elements.back(); } else { std::cerr << "Stack is empty." << std::endl; // Returning a reference to the first element // This is not a safe operation, but done here for demonstration purposes return elements.front(); } } // Check if the stack is empty bool empty() const { return elements.empty(); } // Get the size of the stack size_t size() const { return elements.size(); } };
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