fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n;
  7. 	cin>>n;
  8. 	int a[n],b[n],ans=0;
  9. 	for(int i=0;i<n;i++)
  10. 	{
  11. 		cin>>a[i];
  12. 	}
  13. 	for(int i=0;i<n;i++)
  14. 	{
  15. 		cin>>b[i];
  16. 	}
  17. 	sort(a,a+n);
  18. 	sort(b,b+n);
  19. 	for(int i=0;i<n;i++)
  20. 	{
  21. 		ans+=a[i]*b[i];
  22. 	}
  23. 	cout<<ans<<endl;
  24. 	return 0;
  25. }
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0
https://ideone.com/qDsV1l
language:
C++ (gcc 8.3)
created:
9 days 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!