C++顺序栈实例_顺序栈的主函数c++

#include <iostream> 
#define maxSize 100
 
using namespace std;
 
//顺序栈定义 
typedef struct{
	int data[maxSize];
	int top;
}SqStack;
 
//初始化栈，将栈顶指针设为-1 
void initStack(SqStack &st)
{
	st.top = -1;
}
 
//判断栈是否为空
int isEmpty(SqStack &st)
{
	if (st.top == -1)
		return 1;
	else
		return 0;
} 
 
//进栈代码
int push(SqStack &st, int x)
{
	if (st.top == maxSize - 1)
		return 0;
	++(st.top);//先移动指针，在进栈
	st.data[st.top] = x;
	return 1; 
} 
 
//出栈代码
int pop(SqStack &st, int &x)
{
	if (st.top == -1)
		return 0;
	x = st.data[st.top];
	--(st.top);
	return 1;
} 
 
int main()
{
	SqStack st;
	initStack(st);
	//初始化 
	cout << "栈初始化:" << st.top << endl;
	//入栈
	int p1 = push(st, 1);
	int p2 = push(st, 3); 
	cout << p1 << "\t" << p2 << endl;
	//出栈
	int x1, x2;
	pop(st, x1);
	pop(st, x2);
	cout << x1 << "\t" << x2 << endl;
	//判断栈是否为空
	int im = isEmpty(st); 
	if (im == 1)
		cout << "栈中有元素";
	else 
		cout << "栈空";
	cout << endl; 
	return 0;
}