숫자 게임

import java.util.*;
class Solution {
    public int solution(int[] A, int[] B) {
        int answer = 0;
        int pos = 0;
        Arrays.sort(A);
        Arrays.sort(B);
        for(int i=0;i<A.length;i++) {
            for(int j=pos;j<B.length;j++) {
                if(A[i] < B[j]) {
                    answer++;
                    pos = j + 1;
                    break;
                }
            }
        }
        return answer;
    }
}