[프로그래머스/Java] 최솟값 만들기

-Code

import java.util.Arrays;

class Solution
{
    public int solution(int []A, int []B){
        int answer = 0;
        int len = A.length;
        Arrays.sort(A);
        Arrays.sort(B);
        
        for (int i = 0; i < len; i++) {
            answer += A[i] * B[len - i - 1];
        }

        return answer;
    }
}