有大佬知道为什么这里报错吗?
完整代码如下 第32行报错
#include<stdio.h>
typedef int bool;
#define true 1
#define false 0
bool backspaceCompare(char* s, char* t);
int main()
{
char s[4],t[4];
scanf("%s", s);
scanf("%s", t);
int a = backspaceCompare(s, t);
if (a == 1)
printf("true");
else
printf("false");
return 0;
}
bool backspaceCompare(char* s, char* t) {
typedef struct Lnode {
char data;
struct Lnode* next;
} *stack;
stack L1 = NULL;
stack L2 = NULL;
stack temp = NULL;
int i = 0;
while (s) {
if (s[i] != '#') {
stack p1 = (stack)malloc(sizeof(struct Lnode));
p1->data = s[i];
p1->next = L1;
L1 = p1;
i++;
}
else if (!L1) {
temp = L1;
L1 = L1->next;
free(temp);
}
s++;
}
i = 0;
while (t) {
if (t[i] != '#') {
stack p2 = (stack)malloc(sizeof(struct Lnode));
p2->data = t[i];
p2->next = L1;
L2 = p2;
t++;
}
else if (!L2) {
temp = L2;
L2 = L2->next;
free(temp);
}
t++;
}
if (L1 == NULL && L2 == NULL)
return true;
int flag = 1;
while (flag) {
if (L1->data == L2->data) {
L1 = L1->next;
L2 = L2->next;
if (L1 == NULL && L2 == NULL)
flag = 0;
}
else
break;
}
if (!flag)
return true;
else
return false;
}