diff --git a/codes/cpp/chapter_stack_and_queue/array_stack.cpp b/codes/cpp/chapter_stack_and_queue/array_stack.cpp index e0112ed..444376c 100644 --- a/codes/cpp/chapter_stack_and_queue/array_stack.cpp +++ b/codes/cpp/chapter_stack_and_queue/array_stack.cpp @@ -1,8 +1,74 @@ /* * File: array_stack.cpp - * Created Time: 2022-11-25 - * Author: Krahets (krahets@163.com) + * Created Time: 2022-11-28 + * Author: qualifier1024 (2539244001@qq.com) */ #include "../include/include.hpp" +/* 基于数组实现的栈 */ +class ArrayStack { +public: + vector vec; + + /* 获取栈的长度 */ + int size() { + return vec.size(); + } + + /* 判断栈是否为空 */ + bool empty() { + return vec.empty(); + } + + /* 入栈 */ + void push(int num) { + vec.push_back(num); + } + + /* 出栈 */ + int pop() { + int oldTop = vec.back(); + vec.pop_back(); + return oldTop; + } + + /* 访问栈顶元素 */ + int top() { + return vec.back(); + } +}; + +/* Driver Code */ +int main() { + /* 初始化栈 */ + ArrayStack* stack = new ArrayStack(); + + /* 元素入栈 */ + stack->push(1); + stack->push(3); + stack->push(2); + stack->push(5); + stack->push(4); + cout << "栈 stack = "; + PrintUtil::printVector(stack->vec); + + /* 访问栈顶元素 */ + int top = stack->top(); + cout << "栈顶元素 top = " << top << endl; + + /* 元素出栈 */ + int pop = stack->pop(); + cout << "出栈元素 pop = " << pop << ",出栈后 stack = "; + PrintUtil::printVector(stack->vec); + + /* 获取栈的长度 */ + int size = stack->size(); + cout << "栈的长度 size = " << size << endl; + + /* 判断是否为空 */ + bool empty = stack->empty(); + cout << "栈是否为空 = " << empty << endl; + + return 0; +}