HDOJ/HDU 2203 亲和串(简单的判断~Java的indexOf()方法秒)

import java.util.Scanner;

/**
 * @author 陈浩翔
 * 2016-6-5
 */
public class Main{

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            String s1=sc.next();
            String s2=sc.next();
            if(s2.length()>s1.length()){
                System.out.println("no");
                continue;
            }
            s1=s1+s1;
            if(s1.indexOf(s2)!=-1){
                System.out.println("yes");
            }else{
                System.out.println("no");
            }
        }
    }
}