Submission #1033787

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033787		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	37 ms	3404 KiB

stove

#include<bits/stdc++.h>
#define ll long long
using namespace std;

int n, k;
const int maxn = 2e5;
ll t[maxn + 3];
priority_queue<ll>pq;
ll sum;
ll mx;

int main()
{
   // freopen("STOVEN.INP", "r", stdin);
    //freopen("STOVEN.OUT", "w", stdout);
    cin >> n >> k;
    for(int i = 1; i <= n; i++)
    {
        cin >> t[i];
    }
    sort(t + 1, t + n + 1);
    ll res = t[n] + 1 - t[1];
    for(int i = 2; i <= n; i++)
    {
        pq.push(t[i] - t[i - 1] - 1);
    }
    k = k - 1;
    while(k > 0 && pq.size())
    {
        res -= pq.top();
        //cout << pq.top() << ' ' ;
        pq.pop();
        k--;
    }
    cout << res;
}

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