写一段栈的C语言代码
时间: 2023-07-10 19:06:48 浏览: 48
下面是一个简单的栈的C语言代码,实现了栈的基本操作:入栈、出栈和打印栈顶元素。
```
#include <stdio.h>
#include <stdlib.h>
#define MAX_SIZE 10
typedef struct {
int data[MAX_SIZE];
int top;
} Stack;
void push(Stack *stack, int value) {
if (stack->top == MAX_SIZE - 1) {
printf("Stack is full\n");
return;
}
stack->data[++stack->top] = value;
}
int pop(Stack *stack) {
if (stack->top == -1) {
printf("Stack is empty\n");
return -1;
}
return stack->data[stack->top--];
}
int peek(Stack *stack) {
if (stack->top == -1) {
printf("Stack is empty\n");
return -1;
}
return stack->data[stack->top];
}
int main() {
Stack stack;
stack.top = -1;
push(&stack, 1);
push(&stack, 2);
push(&stack, 3);
printf("Top element: %d\n", peek(&stack));
printf("Pop: %d\n", pop(&stack));
printf("Pop: %d\n", pop(&stack));
printf("Pop: %d\n", pop(&stack));
printf("Top element: %d\n", peek(&stack));
return 0;
}
```