include

using namespace std;

define OK 1;//定义宏观变量

define ERROR 0;

define OVERFLOW -2

define MASIZE 100//定义栈的最大容量

typedef struct {
char* base;
char* top;
int stacksize;
}SqStack;
int InitStack(SqStack& S)//初始化栈
{
S.base = new char[MASIZE];
if (!S.base)exit(OVERFLOW);//查看栈是否初始化成功
S.top = S.base;
S.stacksize = MASIZE;
return OK;
}
int Push(SqStack& S, char e)//元素入栈
{
if (S.top - S.base == S.stacksize)return ERROR;
*S.top++ = e;
return OK;
}
int Pop(SqStack& S, char& e)//栈顶元素按顺序出栈
{

e = *--S.top;



cout << "字符元素为： " << e << endl;

return e;

}
int main()
{
SqStack S1;
if (InitStack(S1))

	cout << "栈初始化成功" << endl;
cout << "请输入入栈元素的个数" << endl;
int n;
cin >> n; char c[100];//定义一个存放字符的数组
cout << "请输入第一个字符" << endl;
for (int i = 0; i < n; i++)
{
	char e1; cin >> e1;

	c[i] = e1;
	if ((Push(S1, e1)) && c[i] != '\0')//去除字符串中的空格

	{
		cout << "第" << i + 1 << "个元素入栈成功" << endl;

	}
	else { cout << "入栈失败" << endl; }
}


int b = 1;
for (int i = 0; i < n; i++)
{
	char e;
	if (Pop(S1, e) != c[i])//判断字符串是否为回文

		b = -1;


}
if (b == -1)
	cout << "不是回文串" << endl;
else cout << "是回文串" << endl;

}