44
很难用for啊,字符串要转为字符串数组
字符串遍历一般都用charAt
```
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
String a=sc.nextLine();
int[] cnt =new int[26];
// int i=0;
for(int i=0;i[HTML_REMOVED]1)
// System.out.println(a2);
System.out.println(“no”);
}
}
```