题目描述

blablabla

样例

blablabla

算法1

(暴力枚举) $O(n^2)$

blablabla

时间复杂度

参考文献

C++ 代码

```#include [HTML_REMOVED]

include [HTML_REMOVED]

include [HTML_REMOVED]

using namespace std;

define ll long long

int main()
{
string a,b;
ll q,w,n=0;
ll z,x;
cin>>q>>w;
for(int j=q;j<=w;j)
{
stringstream ss;
ss << j;
ss >> a;
b=a[a.size()-1];
for(int i=a.size()-2;i>=0;i–)
{
b=b+a[i];
}
if(a==b) n;
}
cout<<n;
return 0;
}
blablabla
```