题解 | #统计回文#

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int count = 0;
        StringBuilder s = new StringBuilder(sc.nextLine());
        String m = sc.nextLine();
        for (int i = 0; i <= s.length(); i++) {
            StringBuilder n = new StringBuilder(s);
            n.insert(i, m);
            if (isLegal(n)) {
                count++;
            }
        }
        System.out.println(count);
    }

    private static boolean isLegal(StringBuilder n) {
        boolean flag = true;
        for (int i = 0; i < n.length() / 2; i++) {
            if (n.charAt(i) == n.charAt(n.length() - 1 - i)) {
                flag = true;
            } else {
                flag = false;
                break;
            }
        }
        return flag;
    }
}