fork(3) download 
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define FAST1 ios_base::sync_with_stdio(false);
  5. #define FAST2 cin.tie(NULL);
  6. #include<bits/stdc++.h>
  7. using namespace std;
  8. #define ll long long
  9. #define FAST1 ios_base::sync_with_stdio(false);
  10. #define FAST2 cin.tie(NULL);
  11.  
  12.  
  13. void solve(){
  14.     ll n,k,s;
  15.     cin>>n>>k>>s;
  16.     ll arr[n];
  17.     for(ll i=0;i<n;i++)
  18.         cin>>arr[i];
  19.     sort(arr,arr+n);
  20.     vector<ll> v;
  21.     for(ll i=1;i<n;i++){
  22.         if(arr[i]-arr[i-1]>s){
  23.             v.push_back((arr[i]-arr[i-1]-1)/s);
  24.         }
  25.     }
  26.     sort(v.begin(),v.end());
  27.     reverse(v.begin(),v.end());
  28.     while(v.size()){
  29.         if(v[v.size()-1]<=k){
  30.             k-=v[v.size()-1];
  31.             v.pop_back();
  32.         }
  33.         else
  34.             break;
  35.     }
  36.     cout<<v.size()+1<<endl;
  37. }
  38.  
  39. int main(){
  40.     FAST1;
  41.     FAST2;
  42.     ll t=1;
  43.     //cin>>t;
  44.     while(t--){
  45.         solve();
  46.     }
  47. }
  48.  
Success #stdin #stdout 0.01s 5644KB
comments (?)
stdin 
8 2 3
1 1 5 8 12 13 20 22
stdout 
2
https://ideone.com/NMPWQJ
language:
C++14 (gcc 8.3)
created:
3 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!