求助60分

#include<bits/stdc++.h>
using namespace std;
int n,m;
bool d(int x){
    int temp=x;
    int num=0;
    while(x){
        num = num*10+x%10;
        x=x/10;
    }
    if(temp==num) return true;
    else return false;

}
int n1,n2,n3,n4,n5,n6,n7,n8,nian,yue,ri,ans;
int main(){
    cin>>n>>m;
    for(int i=n;i<=m;i++){
        int a=i;
        n8=a%10;
        a/=10;
        n7=a%10;
        a/=10;
        n6=a%10;
        a/=10;
        n5=a%10;
        a/=10;
        n4=a%10;
        a/=10;
        n3=a%10;
        a/=10;
        n2=a%10;
        a/=10;
        n1=a%10;
        a/=10;
        nian=n1*1000+n2*100+n3*10+n4;
        yue=n5*10+n6;
        ri=n7*10+n8;
        if(ri>31 || yue>12){
            continue;
        }
        if(yue==4||yue==6||yue==9||yue==11){
            if(ri>=31) continue;
        }
        if((nian%4==0&&nian%100!=0)||nian%400==0){
            if(yue==2){
                if(ri>29){
                    continue;
                }
            }
        }
        else{
            if(yue==2){
                if(ri>28) continue;
            }
        }
        if(d(i)){
            ans++;
        }

    }
    cout<<ans;
    return 0;
}

4个WA