FASHION

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Link to the question : FASHION 

HINT :

Simply just sort the array containing hotness level of men and women, then multiply the elements in the same index and keep on adding.

RECOMMENDED QUESTION :

Try solving this question   after getting an AC in this one.

SOURCE CODE :

  #include<iostream>

#include<new>

#include<vector>

#include<algorithm>

using namespace std;

int main()

{

     int *a,*b,n,s,i=0,t,j;

     cin>>t;

     while(t--)

     {

           cin>>s;

           i=0;

           a= new (nothrow)int[s];

           b= new (nothrow)int[s];

          for(j=0;j<s;j++)

                 cin>>a[j];

           sort(a,a+s);

             for(j=0;j<s;j++)

                  cin>>b[j];

              sort(b,b+s);

              for(j=0;j<s;j++)

              {

                  i= i+ a[j]*b[j];

              }

              cout<<i<<endl;

     }

 return 0;

}