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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. #define ll long long
  5. using namespace std;
  6.  
  7. int main(){
  8.     ll n, m, k;
  9.     cin >> n >> m >> k;
  10.     vector <ll> a(n);
  11.  
  12.     for (int i = 0; i < n; ++i){
  13.         cin >> a[i];
  14.     }
  15.  
  16.     sort(a.begin(), a.end());
  17.     reverse(a.begin(), a.end());
  18.  
  19.     ll tinggi = m;
  20.     int efektif = 0;
  21.  
  22.     for (int j = 0; j < n; ++j){
  23.         tinggi += k;
  24.  
  25.  
  26.     while (a.size() > 0 && a.back() <= tinggi){ 
  27.     a.pop_back();
  28.     }
  29.  
  30.     if (a.size() == 0){
  31.         break;
  32.     }
  33.  
  34.     tinggi = max(tinggi, (ll) a.back());
  35.     a.pop_back();
  36.     ++efektif;
  37.     }
  38.     cout << efektif << endl;
  39. }
Success #stdin #stdout 0.01s 5264KB
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https://ideone.com/gT8Tmh
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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