🐣 문제

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

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🐤 풀이

벡터를 sort한 후 연산한다.

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🐥 코드

#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 ++){
        int temp = A[i] * B[i];
        answer += temp;
    }

    return answer;
}

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