Submission #1338309

#	Time	Username	Problem	Language	Result	Execution time	Memory
1338309		m0use	Stove (JOI18_stove)	C++20	100 / 100	19 ms	1480 KiB

stove

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

int main() {

    cin.tie(0);
    ios_base::sync_with_stdio(false);

    int n, k;
    cin >> n >> k;
    vector<int> visit(n);
    for(int i = 0; i < n; i++) cin >> visit[i];
    sort(visit.begin(), visit.end());
    priority_queue<int> pq;
    for(int i = 1; i < n; i++) pq.push(visit[i]-visit[i-1]-1);
    for(int i = 1; i < k; i++) pq.pop();
    ll ans = n;
    while(pq.size()) {
        ans += pq.top();
        pq.pop();
    }
    cout << ans << '\n';
    return 0;
}

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