Submission #167687

#	Time	Username	Problem	Language	Result	Execution time	Memory
167687		theStaticMind	Stove (JOI18_stove)	C++14	100 / 100	34 ms	3360 KiB

stove

#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;

int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
   //   freopen("q.gir","r",stdin);
   //   freopen("q.cik","w",stdout);
      int n,k,ans=0;
      cin>>n>>k;k--;
      vector<int>arr(n);
      for(int i=0;i<n;i++)cin>>arr[i];
      ans=arr[n-1]-arr[0]+1;
      priority_queue<int>Q;
      for(int i=1;i<n;i++){
            Q.push(arr[i]-arr[i-1]-1);
      }
      while(k--){
            ans-=Q.top();
            Q.pop();
      }
      cout<<ans;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50