#include<iostream>
using namespace std;
const int StackSize=10;
template<class DataType>
class SeqStack
{
public:
SeqStack();
~SeqStack(){}
void Push(DataType x);
DataType Pop();
DataType GetTop();
int Empty();
private:
DataType data[StackSize];
int top;
};
template<class DataType>
SeqStack<DataType>::SeqStack()
{
top=-1;
}
template<class DataType>
void SeqStack<DataType>::Push(DataType x)
{
if(top==StackSize-1) throw"上溢";
top++;
data[top]=x;
}
template<class DataType>
DataType SeqStack<DataType>::Pop()
{
DataType x;
if (top==-1) throw"下溢";
x=data[top--];
return x;
}
template<class DataType>
DataType SeqStack<DataType>::GetTop()
{
if(top!=-1)
return data[top];
}
template<class DataType>
int SeqStack<DataType>::Empty()
{
if(top==-1) return 1;
else return 0;
}
void main()
{
SeqStack<int>S;
if(S.Empty())
cout<<"栈为空"<<endl;
else
cout<<"栈非空"<<endl;
cout<<"对13和14执行入栈操作"<<endl;
S.Push(13);
S.Push(14);
cout<<"栈顶元素为:"<<endl;
cout<<S.GetTop()<<endl;
cout<<"执行一次出栈操作"<<endl;
S.Pop();
cout<<"栈顶元素为:"<<endl;
cout<<S.GetTop()<<endl;
}