fork download
copy 
  1.     #include <bits/stdc++.h>
  2.     using namespace std;
  3.  
  4.     vector<int> arr(1001,0);
  5.  
  6.     int main() {
  7.  
  8. 	    int tc,n,sum = 0;
  9. 	    cin.sync_with_stdio(false);
  10. 	    cin>>tc;
  11.  
  12. 	    while(tc--) {
  13. 		    cin>>n;
  14.  
  15. 		    for(int i = 0 ; i < n ; i++)
  16. 		   	 cin>>arr[i];
  17.  
  18. 		    sort(arr.rbegin(),arr.rend());
  19.  
  20. 			 for(int i = 0 ; i < n ; i++)
  21. 		   	 	cout<<" i = "<<i<<" arr[] = "<<arr[i]<<endl;
  22.  
  23.  
  24. 		    sum = 0;
  25.  
  26. 		    for(int i = 0 ; i < n ; i++) {
  27. 			    if(i%4<2)
  28. 			    sum = sum+arr[i];
  29.  
  30.   	  }
  31.  
  32. 	    cout<<sum<<endl;
  33. 	    arr.clear();
  34.  
  35.     }
  36.     return 0;
  37.     }
Success #stdin #stdout 0s 2816KB
comments (?)
stdin
copy 
3
5
1 2 3 4 5
5
1 2 3 4 5
5
10 11 12 13 15
stdout
copy 
 i = 0 arr[] = 5
 i = 1 arr[] = 4
 i = 2 arr[] = 3
 i = 3 arr[] = 2
 i = 4 arr[] = 1
10
 i = 0 arr[] = 1
 i = 1 arr[] = 2
 i = 2 arr[] = 3
 i = 3 arr[] = 4
 i = 4 arr[] = 5
8
 i = 0 arr[] = 10
 i = 1 arr[] = 11
 i = 2 arr[] = 12
 i = 3 arr[] = 13
 i = 4 arr[] = 15
36
https://ideone.com/RhCW17
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years 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!