题解 | #回文对称数#

#include <iostream>
using namespace std;
int main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        int ge=i%10;
        int shi=i%100/10;
        int bai=i%1000/100;
        int qian=i%10000/1000;
        int wan=i%100000/10000;
        if(i<10){
            cout<<i<<endl;
        }else if(i<100){
            if(ge==shi){
                cout<<i<<endl;
            }

        }else if(i<1000){
            if(ge==bai){
                cout<<i<<endl;
            }
        }else if(i<10000){
            if(ge==qian&&shi==bai){
                cout<<i<<endl;
            }
        }else if(i<100000){
            if(ge==wan&&shi==qian){
                cout<<i<<endl;
            }
        }
    }
    return 0;
}