设计一个算法，判断字符串S是否对称

/*设计一个算法，判断字符串S是否对称*/#include<iostream>#include<string>using namespace std;//判断对称void judge_symmetry(string S){    int length_S=S.length()-1;    int count=0;    while(length_S!=count)    {        if(S[count]==S[length_S])        {            count++;            length_S--;        }        else        {            cout<<"字符串S不对称！"<<endl;            break;        }    }    if(length_S==count)    {        cout<<"字符串S对称！"<<endl;    }}int main(){    string S="1aabaa1";    judge_symmetry(S);    return 0;}