#include<stdio.h> #include<stdlib.h> #define LEN sizeof(arr)/sizeof(arr[0]) void swap(int *p , int *q) { int temp = *p; *p = *q; *q = temp; } void arr_print(int *arr, int len) { int i; for (i=0; i<len; i++) printf("%d ",arr[i]); printf("...

第一步.h文件 typedef struct node { int data; struct node* prev; struct node* next; } Node; typedef struct stack { struct node* head; } Stack; void stack_init(Stack* stack); void stack_push(Stack* stack, int data); int stack_pop(Stack* stack); int stack_top(Sta...