注意字符串的处理方式,如果用charAt()怎么写代码
import java.util.*;
class Main{
static void turn(int i,char[] b){
if(b[i] == '*'){
b[i] = 'o';
}else{
b[i] = '*';
}
}
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
char[] a = sc.next().toCharArray();
char[] b = sc.next().toCharArray();
int res = 0;
for( int i = 0; i< a.length-1;i++){
if(a[i] != b[i]){
turn(i,b);
turn(i+1,b);
res++;
}
}
System.out.println(res);
}
}