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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. #define nl "\n"
  6. #define el <<endl 
  7.  
  8. // void doma()
  9. // {
  10. //     ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL);
  11. // #ifndef ONLINE_JUDGE
  12. //      freopen("output.txt", "w", stdout);
  13. // #endif
  14. // }
  15.  
  16. int main()
  17. {
  18.     int n;
  19.     cin >> n;
  20.     int arr[n];
  21.     for(int i=0; i<n; i++)
  22.         cin >> arr[i];
  23.  
  24.     sort(arr,arr+n); // lower order
  25.  
  26.  
  27.  
  28.     long long sereja_sum=0;
  29.     long long dima_sum=0;
  30.  
  31.     for (int i = n-1; i >=0; i--)
  32.     {
  33.       if (n%2 !=0) // n is odd
  34.       {
  35.            if (i%2 == 0) // even sereja_sum
  36.            {
  37.            sereja_sum += arr[i];
  38.            }
  39.             else if (i%2!=0) // odd dima_sum
  40.             {
  41.              dima_sum += arr[i];
  42.             }
  43.  
  44.       }
  45.  
  46.       else // n is even
  47.       {
  48.  
  49.             if (i%2 != 0) // odd sereja_sum
  50.            {
  51.            sereja_sum += arr[i];
  52.            }
  53.             else if (i%2==0) // even dima_sum
  54.             {
  55.              dima_sum += arr[i];
  56.             }
  57.  
  58.       }
  59.  
  60.     }
  61.  
  62.     cout << sereja_sum << " " << dima_sum << nl;
  63.  
  64.  
  65.     return 0;
  66. }
Success #stdin #stdout 0.01s 5264KB
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-67782619304 -69544673481
https://ideone.com/ifs6oO
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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