Submission #146923

#	Time	Username	Problem	Language	Result	Execution time	Memory
146923		willi19	Stove (JOI18_stove)	C++14	100 / 100	94 ms	3356 KiB

stove

#include <bits/stdc++.h>
int n,k;
long long t[100100],ans;
using namespace std;
priority_queue<long long> pq;
int main()
{
    cin>>n>>k;
    for(int i=0;i<n;i++)
        cin>>t[i];
    sort(t,t+n);
    ans=t[n-1]+1-t[0];
    for(int i=0;i<n-1;i++)
        pq.push(t[i+1]-t[i]-1);
    k--;
    while(!pq.empty()&&k--)
    {
        ans-=pq.top();
        pq.pop();
    }
    cout<<ans;
}

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