原题链接;
//这道题个人觉得挺傻逼的,有的例子是无解的。而自己又漏看了“数据保证答案一定有解”这句话
import java.util.Scanner;
class Main{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String a=sc.next();
String b=sc.next();
System.out.println(ditui(a.toCharArray(),b.toCharArray()));
}
public static int ditui(char[] a,char[] b) {
int result=0;
for(int i=0;i<a.length;i++) {
if(a[i]==b[i])continue;
else {
if(a[i+1]=='*')a[i+1]='o';
else a[i+1]='*';
result++;
}
}
return result;
}
}