fork download 
  1. #include <iostream>
  2. #include <bits/stdc++.h>
  3. #include <algorithm>
  4. #include <functional>
  5.  
  6. using namespace std;
  7.  
  8. int max_sum(vector<int>array1,vector<int>array2){
  9.     int n=array1.size();
  10.     sort(array1.begin(),array1.end());
  11.     sort(array2.begin(),array2.end());
  12.  
  13.     int result=0;
  14.     for(int i=0;i<n;i++){
  15.         result+=array1[i]*array2[i];
  16.     }
  17.  
  18.     return result;
  19. }
  20.  
  21.  
  22.  
  23.  
  24.  
  25. int main(){
  26.     int n;
  27.     cin>>n;
  28.     vector<int>array1(n);
  29.     vector<int>array2(n);
  30.     for(int i=0;i<n;i++){
  31.         cin>>array1[i];
  32.     }
  33.  
  34.     for(int i=0;i<n;i++){
  35.         cin>>array2[i];
  36.     }
  37.  
  38.     int ans;
  39.     ans=max_sum(array1,array2);
  40.     cout<<"Maximum sum from the 2 arrays' product : "<<ans<<endl;
  41.     return 0;
  42. }
Success #stdin #stdout 0s 5316KB
comments (?)
stdin 
4
-1 -2 3 4
-5 6 -7 8
stdout 
Maximum sum from the 2 arrays' product : 69
https://ideone.com/NOvvtn
language:
C++ (gcc 8.3)
created:
4 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!