#include <stdio.h>
#include <stdlib.h>
typedef struct
{
int num[100];
int top;
}Stack;
Stack *s;
void *initial(Stack *s);
void push(Stack *s, int n);
int pop(Stack *s);
int main(void)
{
int i = 0, j, flag = 1, tmp, n, num[100];
initial(s);
printf("Please input stack num:");
while(flag)
{
scanf("%d", &n);
if(n != -1)
{
num[i] = n;
push(s, n);
i++;
}
else
{
flag = 0;
}
}
num[i] = '\0';
for(j = 0 ; j <= s->top ; j++)
{
tmp = pop(s);
if(num[j] = tmp)
{
flag = 1;
}
else
{
flag = 0;
}
}
if(1 == flag)
{
printf("是回文");
}
else
{
printf("不是回文");
}
return 0;
}
void *initial(Stack *s)
{
s->top = -1;
return(NULL);
}
void push(Stack *s, int n)
{
s->top++;
s->num[s->top] = n;
}
int pop(Stack *s)
{
int tmp = 0;
s->num[s->top] = tmp;
s->top--;
return(tmp);
}
调试的时候说 s->top CXX0030:Erorr:expression cannot be evaluated
求助啊！~
