programmers_최솟값 만들기_java

https://school.programmers.co.kr/learn/courses/30/lessons/12941

프로그래머스

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

        return answer;
    }
}