```c
#include<cstdio>
using namespace std;
int main(){
int date1,date2,ans=0;
scanf("%d%d",&date1,&date2);
for(int i=date1;i<=date2;i++)
{
if(i/10000000==i%10 && (i/1000000)%10==(i%100)/10 && (i/100000)%10==(i%1000)/100 && (i/10000)%10==(i%10000)/1000)
ans++;
}
printf("%d",ans);
return 0;
}
```
by szbxmz @ 2018-06-26 11:14:30
懂了，有的日期不存在···
by szbxmz @ 2018-06-26 11:22:35