package company.molocoads;

/**
 * @Author: Lin Tao
 * @Date: 6/15/2019 11:10 AM
 */
public class Question1 {
    boolean equalsWhenOneCharRemoved(String x, String y) {
        int m = x.length();
        int n = y.length();
        if (Math.abs(m - n) > 1) {
            return false;
        }
        if (m > n) {
            return equalsWhenOneCharRemoved(y, x);
        }
        for (int i = 0; i < m; i++) {
            if (x.charAt(i) != y.charAt(i)) {
                if (m == n) {
                    return x.substring(i + 1).equals(y.substring(i));
                }
                return x.substring(i).equals(y.substring(i + 1));
            }
        }
        return m != n;
    }

    public static void main(String[] args) {
        Question1 q = new Question1();
        boolean result1 = q.equalsWhenOneCharRemoved("x", "y");
        boolean result2 = q.equalsWhenOneCharRemoved("x", "XX");
        boolean result3 = q.equalsWhenOneCharRemoved("yy", "yx");
        boolean result4 = q.equalsWhenOneCharRemoved("abcd", "abxcd");
        boolean result5 = q.equalsWhenOneCharRemoved("xyz", "xz");
        System.out.println(result1);
        System.out.println(result2);
        System.out.println(result3);
        System.out.println(result4);
        System.out.println(result5);
    }
}