프로그래머스 최솟값 만들기[C++]

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int solution(vector<int> A, vector<int> B){
    int answer = 0;
    sort(A.begin(), A.end());
    sort(B.begin(), B.end(), greater<int>());
    for(int i = 0; i < A.size(); i++)
        answer += A[i] * B[i];
    return answer;
}