Submission #1015556

#	Time	Username	Problem	Language	Result	Execution time	Memory
1015556		adkjt	Stove (JOI18_stove)	C++14	100 / 100	36 ms	3324 KiB

stove

#include<bits/stdc++.h>
using namespace std;
#define int long long
priority_queue<int> pq;
int a[111111];
signed main()
{
   int n,k;cin>>n>>k;
   for(int i=1;i<=n;i++)
    cin>>a[i];
   for(int i=2;i<=n;i++)
    pq.push(a[i]-a[i-1]-1);
   int ans=a[n]-a[1]+1;
   int cnt=0;
   while(cnt<k-1){
    ans-=pq.top();
    //cout<<pq.top()<<'\n';
    pq.pop();
    cnt++;
    }
        cout<<ans;
}

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