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  1. #include <bits/stdc++.h>
  2. #define VuDucNam ios_base::sync_with_stdio(false);
  3. #define Lop9a6 cin.tie(NULL);
  4. #define THCSPhamVanDong cout.tie(NULL);
  5. #define ll long long
  6. #define el cout << '\n'
  7. #define sz(a) (ll) a.size()
  8. #define all(a) a.begin(), a.end()
  9. #define fi first
  10. #define se second
  11. #define fill(a, x) memset(a, x, sizeof(a))
  12. #define file(name)                         \
  13.     if (fopen(name ".inp", "r"))           \
  14.     {                                      \
  15.         freopen(name ".inp", "r", stdin);  \
  16.         freopen(name ".out", "w", stdout); \
  17.     }
  18. #define TIME (1.0 * clock() / CLOCKS_PER_SEC)
  19. #define RUNTIME cerr << "\nRuntime: " << TIME << "s.\n"
  20.  
  21. using namespace std;
  22.  
  23. const int N5 = 1e5 + 5;
  24. const ll MOD = 1e9 + 7;
  25. const ll inf = LLONG_MAX;
  26.  
  27. int n,k,a[N5],ans1,ans2;
  28.  
  29. void solve()
  30. {
  31.     cin >> n >> k;
  32.     for(int i=1;i<=n;++i) cin >> a[i];
  33.     sort(a+1,a+n+1);
  34.     int length=ceil((double)n/(k+1));
  35.     for(int i=1;i<=length;++i)
  36.         ans1+=a[i];
  37.     for(int i=n;i>n-length;--i)
  38.         ans2+=a[i];
  39.     cout << ans1 << " " << ans2;
  40.     el;
  41. }
  42.  
  43. int main()
  44. {
  45.     VuDucNam Lop9a6 THCSPhamVanDong
  46.     //file();
  47.     solve();
  48.     RUNTIME;
  49.     return 0;
  50. }
Success #stdin #stdout #stderr 0s 5280KB
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Standard input is empty
stdout
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0 0
stderr
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Runtime: 0.004488s.
https://ideone.com/lOKNGK
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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