Eddy的难题

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自己的错代码

import java.util.Scanner;public class Main {public static void main(String[] args) {// TODO Auto-generated method stub           Scanner cin=new Scanner(System.in);           while(cin.hasNext())           {           StringBuffer str1=new StringBuffer(cin.next());                     String str=cin.next();                     str1.append(str1);           int flo=0;           for(int i=0;i<str1.length();i++)           {           if(str1.indexOf(str)!=-1)           {           flo=0;           }           else {           flo=1;           }           }           if(flo==0)           {           System.out.println("yes");           }           else {           System.out.println("no");           }           }}}

秋月姐姐代码

import java.util.Scanner;public class Main {public static void main(String args[]){Scanner sc=new Scanner(System.in);while(sc.hasNext()){String str1=sc.next();String str2=sc.next();if(isExist(str1,str2))System.out.println("yes");else System.out.println("no");}}public static boolean isExist(String str1,String str2){boolean f=false;StringBuffer buffer=new StringBuffer(str1);int index=0;do{if(buffer.toString().contains(str2)){ f=true; break;}else{char ch=str1.charAt(index);buffer.deleteCharAt(0).append(ch);index++;}}while(index<str1.length());return f;}}

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