题解 100% AC

#include<iostream>
#include<cstring>
using namespace std;
int main(){
    string a;
    getline(cin,a);
    int len=a.length();
    for(int i=0,j=len-1;i<=len/2;i++,j--){
        if(a[i]==a[j]){
            continue;
        }else{
            cout<<"no";
            return 0;
        }
    }
    cout<<"yes";
	return 0;
}