class Solution {
public:
//时间n的平方,空间1的方法
bool isornot(string s){
string ss = s;
reverse(s.begin(), s.end());
return s == ss;
}
int getLongestPalindrome(string A, int n) {
// write code here
int max = 0;
for(int i = 0; i < n; i++){
for(int j = i; j < n; j++){
if(isornot(A.substr(i,j-i+1))){
max = max>(j-i+1)?max:(j-i+1);
}
}
}
return max;
}
};