1919 애너그램 만들기

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String a = sc.next();
        String b = sc.next();

        int [] countA = new int[26];
        int [] countB = new int[26];

        for(int i =0; i<a.length(); i++) 
            countA[a.charAt(i) - 'a']++;
        for(int i=0; i<b.length(); i++ )
            countB[b.charAt(i) - 'a']++;

        int ans =0;
        for(int i=0; i<26; i++){
            if(countA[i] > countB[i]) {
                ans += countA[i] - countB[i];
            }
            else if(countB[i]> countA[i]){
               ans += countB[i] - countA[i];
                }
            }
        System.out.println(ans);
        }


    }