1026 : 보물 [C++]

#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
 int A[50];
 int B[50];

 int N;
 cin >> N;

 for (int i = 0; i < N; i++)
  cin >> A[i];
 for (int i = N; i < 50; i++)
  A[i] = 1000;
 for (int i = 0; i < N; i++)
  cin >> B[i];
 for (int i = N; i < 50; i++)
  B[i] = 1000;

 sort(A,A + 50);
 sort(B,B + 50);

 int S = 0;
    
 for (int i = 0; i < N; i++)
  S += A[i] * B[N - i - 1];

 cout << S;

 return 0;
}